－Your bike looks nice．Is it new?

－No．I ________ it for two months．

A．have had

B．had bought

C．would buy

Look there!Who ________ the young tree?Let’s go and stop him．

A．does out

B．is cutting

C．cut

We ________ there if it doesn’t rain tomorrow．

A．has walked

B．will walk

C．walk

Someone ________ me when I was doing my papers．

A．had called

B．called

C．has called

My school is a little far, so I usually ________ to work by bike．

A．went

B．had gone

C．go

They say there ________ a new bridge across the river in two years．

A．will have

B．is gong to be

C．has

You ________ swim in this part of the lake．It’s not safe．

A．mustn’t

B．needn’t

C．won’t

He is so young, ________ he knows a lot．

A．and

B．or

C．but

I think Mary is ________ student in our class．

A．very careful

B．the most careful

C．more careful

This reading is not ________ that one．

A．as easier as

B．so easy than

C．as easy as