__________,his suggestion is not helpful, though it sounds very interesting.
| A.Generally speaking |
| B.On the contrary |
| C.In particular |
| D.To be honest |
As the Internet is expanding day by day, the opportunities for crime ______ as well.
| A.has | B.is | C.have | D.are |
— Have you finished your essay?
— Half when you come back.
| A.has been done | B.will have been done | C.had been done | D.is done |
The visitor asked to have his picture taken _________ stood the famous tower.
| A.that | B.what | C.when | D.where |
Mr. Wang made up his mind to devote all he could ____ his oral English before going abroad.
| A.improve | B.to improving | C.improving | D.to improve |
Staying in a different country, just watch others to see _____ they act to decide what the best to say is.
| A.What | B.Why | C.how | D.when |