The policemen had no ______ in finding the knife that the murderer had thrown.
| A．difficulty | B．troubles | C．problems | D．question |
The young man spent as much time as he _____ over his lessons.
| A．went | B．can go | C．could going | D．could to go |
--- Who should I send this message to ?
--- The mayor is the one ___ ?
| A．to send it | B．to be sent | C．for sending | D．to send it to |
He wrote a lot of novels, none of _____ translated into a foreign language.
| A．them | B．which | C．it | D．what |
—Did Jack come back early last night?
—Yes. It was not yet eight o’clock _______ he arrived home.
| A．before | B．When | C．that | D．until |
She is quite a different girl _____ she was five years ago.
| A．from | B．to | C．than | D．with |