That was a difficult question, but Mary still _______ towork it out.

[单选题]That was a difficult question, but Mary still ______ to work it out.A.didB.

[单选题]The math problem is ______ to work out.A.too difficultB.difficult muchC.eno

[单选题]The colors in these artificial flowers are guaranteed not to come out.A.dis

[单选题]It is a very [cold]night that nobody wanted to go out.A.freezingB.devastati

[单选题]It is a very [cold]night that nobody wanted to go out.A.freezingB.devastati

[单选题]______ his talk when Mary ran out of the lecture hall.A． Hardly had he begunB． Hardly he had begunC． Hardly he has begunD． He hardly had begun

[单选题]Enclosed you _____an application form that you are asked to fill out.A.will

[单选题]The old woman is chronically ill in bed and seldom goes out.A.seriouslyB.da

[问答题]()Look out the window it’s still raining today!

[单选题]—I wish I could. But I’m on my way out. I have to be in the city in an hour.—63