Mr. Green is said _____ an experiment to prove the new method of solving the problem when young.
| A.to do | B.to have done | C.to be doing | D.to have been doing |
To ____ your dream of becoming a scientist, you must work hard from now on.
| A.turn | B.recognize | C.live | D.change |
I suggest ______10% of the bill for the waiter or waitress if a tip isn’t included.
| A.to leave | B.leave | C.being leaved | D.leaving |
There are _____advertisements which encourage ______to participate in improving their neighbourhood.
| A.the public,the public | B.the public,public |
| C.public,public | D.public ,the public |
Some advertisements_______pictures or words of experts to show people how good the products are.
| A.are consisted of | B.are made of | C.consist of | D.are made up |
Flight 3010______,I must be off now or I’ll be late.
| A.to announce | B.is announced | C.is being announced | D.announced |