English became the official language for business __ the fact that the population was largely Chinese.
| A．in place of | B．in spite of | C．in case of | D．in favor of |
With a lot of tough problems, the pilot was still calm, cool and collective under pressure.
| A．solve | B．solved | C．solving | D．to solve |
left the door unlocked must be held responsible for the accident.
| A．Whomever | B．Whoever | C．Whatever | D．Whenever |
If we use the new recycling method, a large number of trees.
| A．are saved | B．will save | C．will be saved | D．have saved |
．She is fed up with sharing a house with others; , she is looking for her own flat.
| A．moreover | B．otherwise | C．however | D．therefore |
—What’s wrong with your ipad? The soundis not clear.
—Yes. It has been broken for some time.
| A．come out | B．coming out | C．to come out | D．came out |