That he refused her invitation couldn’t ________________ his disliking her.
| A．make out | B．speak out | C．figure out | D．account for |
— How long do you suppose it is ______ he arrived here？
— No more than half a week.
| A．when | B．before |
| C．after | D．since |
The Foreign Secretary's remarks clarify an _____________ statement issued earlier this week.
| A．ambitious | B．Ambiguous |
| C．amateur | D．arbitrary |
A lot of language learning, ________ has been discovered, is happening in the first year of life, so parents should talk much to their children during that period.
| A．as | B．it | C．which | D．this |
— Could you meet me at the airport?
— I'd like to，but I'm a fraid I ______ a very important meeting when you return.
| A．am attending | B．was attending |
| C．will be attending | D．will have attended |
We all consider ______ significant that we should cancel the order immediately.
| A．how | B．which | C．this | D．it |