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I don’t know ________．

A．what to do it

B．what do

C．how to do

D．how do

Let’s make it ________ half past four．

A．at

B．to

C．in

D．/

I often hear birds ________ in the tree．

A．sing

B．singing

C．sings

D．sang

I think it’s ________ than that one．

A．much important

B．much more important

C．a little important

D．very important

Is there ________ in today’s newspaper?

A．something new

B．new something

C．anything new

D．new anything

It ________ her two hours ________ her homework every day．

A．uses, to finish

B．takes, to finish

C．uses, finish

D．takes, finishing

We have some problems ________ it out．

A．work

B．works

C．working

D．worked

It’s four o’clock now．But my watch says 4∶10．So my watch is ten minutes ________．

A．slow

B．fast

C．early

D．late

I’m sorry I’m late．It’s time ________ class．

A．for

B．to

C．in

D．at

They go ________ school at seven thirty every day．

A．to the

B．to

C．at

D．in