The workmen made so much _____ that Mrs.
Walker had to spend three days cleaning up afterwards.
| A．trouble | B．damage | C．mess | D．nuisance |
.
．In my opinion, no search engine can __________ Baidu in search scope and speed.
| A．compete | B．win | C．suit | D．equal |
.
--What did you think of the performance given by the famous dancer?
---Not so good. In fact, it ________ to be a great disappointment.
| A．turned up | B．turned out | C．turned in | D．turned down |
.
It is written clearly in the requirements that all passengers______check onto board thirty minutes before the plane takes off.
| A．may | B．can | C．will | D．shall |
.
The size of the audience, ______we had expected, was well over one thousand.
| A．whom | B．who | C．which | D．as |
.
______the zoologists tried to prove was that the photo of the South China Tiger had been staged or technologically dealt with.
| A．That | B．Why | C．Whether | D．What |