I had written twice to Janet. But she didn't ______ my letters, so I decided to go there myself.
| A．return | B．reply | C．answer | D．receive |
Now everyone is concerned about how to conquer the economic crisis _______ is very important for us to be able to preserve our standard of living.
| A．which success | B．its success | C．the success of which | D．the success of it |
. --What made your father throw up last night?
-- I think the large quantities of wine _________.
| A．was | B．might | C．make | D．did |
As well as costing the Middle East dearly in terms of human life, conflict! (冲突) _______ the region around $ 12 trillion since 1991, according to a report by the Strategic Foresight Group.
| A．is also cost | B．had also cost | C．will also cost | D．has also cost |
At no time, of course, ______ anyone to separate Taiwan from the motherland in any name or by any means.
| A．will we allow | B．we will allow | C．will we be allowed | D．we will be allowed |
What _______ public is concerned about is whether medical workers and scientists will be able to find _______ cure for this new disease after the vaccine is tried on _______ volunteers.
| A．不填; 不填; 不填 | B．the; the; 不填 | C．the;不填; the | D．the; a; the |