A:if B:unless C:although D:because 2.In his report of the accident he ___some important details. A:missed B:wasted C:escaped D:failed 3.More and more trucks are seen______between these two towns these days. A:run B:to run C:be running D:ran 4.We're going to ____the task that we haven't finished A:take away B:carry on C:get onto D:keep off 5.It makes no difference to me ____Mr.Smith will come or not. A:when B:how C:that D:whether 6.Social ____wvary greatly from country to country. A:customers B:customs C:habits D:styles 7.It is necessary to find an engineer ___has skills that meet your needs. A:whom B:which C:whose D:who 8.You can ___blue and yellow paint to make green. A:mix B:put C:confuse D:collect 9.Thus new style of sports shoes is very popular and it is ____in all sizes A:importabt B:active C:available D:famous 10.While _____in London ,the young engineer picked up some English. A:staying B:stay C:stayed D:to stay (简单说下选择的利用）

1.I didn't answer the phone_____I didn't hear it ring.
A:if B:unless C:although D:because
2.In his report of the accident he ___some important details.
A:missed B:wasted C:escaped D:failed
3.More and more trucks are seen______between these two towns these days.
A:run B:to run C:be running D:ran
4.We're going to ____the task that we haven't finished
A:take away B:carry on C:get onto D:keep off
5.It makes no difference to me ____Mr.Smith will come or not.
A:when B:how C:that D:whether
6.Social ____w\vary greatly from country to country.
A:customers B:customs C:habits D:styles
7.It is necessary to find an engineer ___has skills that meet your needs.
A:whom B:which C:whose D:who
8.You can ___blue and yellow paint to make green.
A:mix B:put C:confuse D:collect
9.Thus new style of sports shoes is very popular and it is ____in all sizes
A:importabt B:active C:available D:famous
10.While _____in London ,the young engineer picked up some English.
A:staying B:stay C:stayed D:to stay
(简单说下选择的利用）