16. ---The farmer president was caught at last.
---Really? Where himself?
| A．had hidden | B．has he hidden | C．was he hidden | D．has he been hiding |
The number 5．12 is a special number, _________ I think that will be remembered by the Chinese．
| A．what | B．it | C．which | D．one |
Tom, who _________English for 20 years in English, now has been appointed headmaster of our school．
| A．had taught | B．has taught | C．taught | D．had been teaching |
---Mrs．Stanley looks charming tonight．
---The dark dress _________her hidden beauty．
| A．brings out | B．crosses off | C．gives back | D．leaves over |
．If you send the best wishes to your wife on her birthday, _______will give her a great surprise．
| A．which I think | B．I think which | C．I think that | D．what I think |
．In the USA, one needs to make a(n) _________before seeing a doctor．
| A．choice | B．appointment | C．impression | D．excuse |