从所给的四个选项中选择最佳答案

[　　]

A．were　　　　　　B．has been

C．was　　　　　 　D．×

从所给的四个选项中选择最佳答案

He told me that they had already planted ________ trees.　

[　　]

A．ten thousand　　　B．ten thousands　　　

C．thousand of　　　D．ten thousand of

从所给的四个选项中选择最佳答案

The hole must be ________ for the tree.

[　　]

A．enough large　　　   B．large enough　　　

C．too large　　　　　  D．very large

从所给的四个选项中选择最佳答案

Today, too many trees are still ________ in the world.

[　　]

A．cutting down　　　    B．cut down

C．being cut down　　  　D．cutted down

从所给的四个选项中选择最佳答案

　　 ________ , those mountains will be covered with trees.

[　　]

A．In a few years' times　　　   B．In a few years' time

C．After a few years　　　　　 D．After a few years' time

从所给的四个选项中选择最佳答案

The plane rose higher and higher till it could no longer ________ .

[　　]

A．to be seen　　　　B．is seen

C．was seen　　　 　D．be seen

从所给的四个选项中选择最佳答案

—Tomorrow is my birthday. Can you come to my birthday party?

—OK. I ________.

[　　]

A．would love　　　　　B．will love

C．would love to　　　　D．am sorry

从所给的四个选项中选择最佳答案

They have to work at once, ________ ?

[　　]

A．have they　　　B．do they　

C．don't they　　　D．haven't they

从所给的四个选项中选择最佳答案

The beautiful hotel is about ________ years old.

[　　]

A．hundred of　　　   B．a hundred

C．a hundred of　　　  D．hundreds

从所给的四个选项中选择最佳答案

We love spring ________ there's beautiful flowers everywhere.

[　　]

A．but　　　　　   B．if　　　

C．though　　　    D．because