用所给动词的正确形式填空。

________ you ever ________(speak)to a foreigner before?

用所给动词的正确形式填空。

So far,we ________(learn)ten thousand English words．

完成句子。

从这儿步行到达那儿要花半小时。

It ________ half an hour ________　________ there on foot．

完成句子。

我去过北京三次了。

I ________　________　________ Beijing three times．

完成句子。

宇航员还没有发现火星上有任何生命。

The astronauts ________　________ any life on Mars．

完成句子。

－你能帮我吗?

－当然了，没问题。

－Can you help me?

－________,________　________．

Be sure ________ Tom know the notice．

A．

let

B．

will let

C．

to let

D．

was let

Mars is ________ farther than the moon．

A．

a few

B．

much

C．

more

D．

most

You can send an email ________ me tonight．

A．

to

B．

in

C．

for

D．

at

I've just ________ here．

A．

arrived

B．

arrived in

C．

got to

D．

arrived at