A clean environment can help the city bid for the Olympics, which ______ will promote its economic development.
| A．in turn | B．in fact | C．in return | D．in nature |
Li Yang, the founder of Crazy English, says that he copies it down _______ he comes to a sentence.
| A．unless | B．while | C．because | D．every, time |
. Exercise is ________ as any other to lose unwanted weight.
| A．so useful a way | B．as a useful way | C．as useful a way | D．such a useful way |
The Haiti earthquake at the beginning of 2010 is believed _______ more than 100,0130 people and makes millions homeless, ______ it perhaps the most destroying earthquake in history.
| A．to kill; making | B．to have killed; making | C．having killed; to make | D．killing; made |
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.