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 sound is not clear.
—Yes. It has been broken for some time.
A．come out B．coming out C．to come out D．came out
If you’d written earlier, I’d have known when you to go on holiday.
A．want B．have wanted C．wanted D．will want
