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The lecture was so complex that I simply couldn’t ______ at all. Could you explain it to me?

A. bring on????????????? ????????????? ????????????? B. bring in????????????? ????????????? ????????????? C. take on????????????? ????????????? ????????????? D. take in????????????? ????????????? ?????????????

This is a kind of effective classroom teaching ______ students learn independently and cooperatively.

A. where????????????? ????????????? ????????????? B. which????????????? ????????????? ????????????? ????????????? C. what????????????? ????????????? ????????????? ????????????? D. when????????????? ????????????? ?????????????

The US federal government has released 252 applications so far, ______ fields including education and health care.

A. covered????????????? ????????????? ????????????? B. to cover????????????? ????????????? ????????????? C. covering????????????? ????????????? ????????????? D. having covering??

The finance minister has not been so _____ since he raised taxes to such a high level.

A. popular? ????????????? ????????????? B. well-known? ????????????? ????????????? C. favorable ????????????? ????????????? ????????????? D. preferable?????

The woman insisted that she ______ the mobile phone but none of the supermarket guards would believe her.

A. should not have stolen????????????? ????????????? ????????????? ????????????? ????????????? B. should not steal

C. not have stolen????????????? ????????????? ????????????? ????????????? ????????????? ????????????? D. had not stolen??????????????

______ we talk to each other, I feel happy.

A. Every time when????????????? ????????????? ????????????? ????????????? ????????????? ????????????? B. Every time that

C. Every time????????????? ????????????? ????????????? ????????????? ????????????? ????????????? ????????????? D. Every time which????????

One of the tourists ______ from the tour group. That was why the tour guide lost his temper.

A. kept away????????????? ????????????? B. broke away????????????? ????????????? ????????????? C. took away????????????? ????????????? ????????????? D. gave away?

The younger policeman was leaning ______ the wall with his arms folded when he heard someone for help.

A. beyond??? ????????????? ????????????? B. above??? ????????????? ????????????? ????????????? C. beneath??? ????????????? ????????????? D. against??????

Your daughter would ______ a famous singer---she has a great gift for music.

A. make????????????? ????????????? ????????????? B. turn????????????? ????????????? ????????????? ????????????? C. serve????????????? ????????????? ????????????? D. shape????????????? ????????????? ?????????????

Flying kites, ______ some researchers point out, can not only bring about joy to us, but also promote our physical and mental health.

A. which????????????? ????????????? ????????????? B. what????????????? ????????????? ????????????? ????????????? C. as????????????? ????????????? ????????????? D. where???????