I want to know what difficulty he has had ________ the experiment．

A．to carry out

B．carrying out

C．carried out

D．with carrying out

My sister was against my suggestion while my brother was ________ it．

A．in favour of

B．in memory of

C．in honour of

D．in search of

Distance learning is being ________ in several countries to help children in remote rural schools obtain higher education．

A．attended

B．adopted

C．adapted

D．admitted

－Where shall I put my boxes?

－The shelf is the place ________．

A．to put them

B．putting them on

C．to put on them

D．to put them on

Mr．Smith used to smoke ________ but he has given it up．

A．seriously

B．heavily

C．badly

D．hardly

－Would you like some tea?

－________, please．

A．No more

B．Just a little

C．I've had enough

D．Yes, I would

I couldn't do my homework with all that noise ________．

A．going on

B．goes on

C．went on

D．to go on

Not only ________ able to drive a truck, but ________ able to drive a train．

A．was he; he was

B．he was; was he

C．was he; was he

D．was he; can be

Only when the war was over ________ to his hometown．

A．did the young soldier return

B．the young soldier returned

C．returned the young soldier

D．the young soldier did return

He likes going hiking ________ going skiing．

A．as well as

B．but also

C．not only but

D．so well as