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This is ________ ID card and ________ is over there．

A．my，your

B．my，yours

C．mine，yours

D．mine，you

They arrived in Beijing ________ the evening of May 4th．

A．on

B．in

C．by

D．at

Many ________ trees should be planted on the mountain．

A．thousand

B．thousand of

C．thousands

D．thousands of

The boy is becoming ________ interested in football．

A．much and much

B．more and more

C．many and many

D．well and well

The Great Green Wall is 7000 km ________ and between 400 and 1700 km ________．

A．wide，long

B．long，high

C．high，wide

D．long，wide

It's important ________ English well．

A．study

B．to learn

C．learn

D．learning

The harder you work，________ you'll learn．

A．more

B．much

C．the more

D．the most

We have planted more than five ________ trees．

A．thousands

B．thousands of

C．thousand of

D．thousand

The holes are ________ small ________we can't put the trees in them．

A．both，and

B．so，that

C．not，but

D．neither，nor

Who knocked a nail(釘子)________ the wall？

A．at

B．in

C．into

D．on