I’m sure your suggestions will _____ the problem.
| A．contribute to solving | B．contribute to solve |
| C．be contributed to solve | D．be contributed to solving |
Canada's economic wealth is closely linked to _______ of the US, which buys three-quarters of its exports.
| A．which | B．what | C．that | D．one |
— May I ask you a favor?
— ___________
A It’s my pleasure. B I have no timeC With pleasureD Sure, go ahead.
It is global warming, rather than other factors, _______ the extreme weather.
A that have led to B which has causedC which are causing D that has led to
The twins were so _______ in their TV play that neither of them heard the door ring.
A. adaptedB occupiedC absorbed D concentrated
To tell you the truth, the accident and the damage _______resulted in frightened me so much that I almost have given up driving ever since.
A that B it C whichD what