Leaders of many countries have been trying to _____ what it is that makes China develop so fast.
| A．carry out | B．figure out | C．break out | D．watch out |
Never _______ forget the days when ______ together with you.
| A．shall I；I lived | B．shall I; did I live |
| C．I shall；I lived | D．I shall; did I live |
The two old sisters, _______ so long, held each other and burst into tears.
| A．being separated | B．having been separated |
| C．having separated | D．had been separated |
— When will you leave for Paris for a visit?
— _______next month.
| A．Until | B．After | C．At | D．In |
It's impossible for all the people to get jobs because of them are not fit for them.
| A．none | B．all | C．not all | D．every one |
. —You can’t finish the book in less than an hour, I suppose?
—_______. I’ll return it to you on time.
| A．Yes, I’m sure I can | B．No, hardly |
| C．Sorry, I can’t | D．I don’t think I can |