It was not until dark ________ he found ________ he thought was the correct way to solve the problem．

A．that; what

B．that; that

C．when; what

D．when; that

－ Do you feel like ________ there or shall we take a bus?

－ I’d like to walk．But since there isn’t much time left, I’d rather we ________ a taxi．

A．walking; hired

B．to walk; hire

C．to walk; hired

D．walking; hire

He ________ writing the paper now．He hadn’t written a single word when I left him ten minutes ago．

A．shouldn’t be

B．can’t have finished

C．can’t be

D．mustn’t have finished

The old lady had one son and two daughters, ________ treated well, ________ made her very sad．

A．no one of whom; as

B．neither of them; which

C．none of whom; which

D．none of them; as

－ Have you thought of a topic for your article yet?

－ No．I ________ a lot about it, but I haven’t decided．

A．will think

B．have been thinking

C．had thought

D．was thinking

Children are tired of learning often because they are ________ to do better than they can, both at school and at home．

A．suggested

B．expected

C．hoped

D．helped

I haven’t seen Mary these past few days．I’m afraid she ________ herself for some time．

A．isn’t feeling

B．hasn’t been feeling

C．hadn’t been feeling

D．wasn’t feeling

－ Are you really through with your work assigned the day before yesterday?

－ ________, I’ve only just begun．

A．On the contrary

B．On the other hand

C．You are wrong

D．Never mind

The report said a bus went out of ________ control on a highway ________ south of the city and rushed into a river．

A．the / the

B．× / the

C．the / ×

D．× / ×

Teenagers are warned to be careful when making friends online, because when you can’t see a person, they could be ________．

A．everybody

B．somebody

C．anybody

D．nobody