题目内容

Continue heating until steam _____.
A．has appearedB．appear C．appeared D．will appear
A
略
练习册系列答案
相关题目
Sixty miles ________ in a single night, so they were exhausted.
A．were coveredB．have coveredC．was coveredD．has covered
I’ve finally finished my paper and it _____ me an entire month.
A．takesB．tookC．was takenD．had taken
I’m sure I _____ her four years ago.
A．have seen B．saw C．had seen D．will see
I knew I could not finish the homework _____.
A．by the time he had come B．before he came
C．until he has come D．when he comes
If it _____, we will go to visit the zoo.
A．not rains B．doesn’t rain C．won’t rain D．isn’t going to rain
He found his book this morning, but now he _____ his pen.
A．loses B．is missing C．has lost D．lost
We ___ have a football match if it ___ not rain.
A．shall… isB．shall… doesC．will..is notD．will…was

26．—You look quite tired.
—I __________ the project here in order to meet the deadline.
A．have doneB．didC．had doneD．have been doing

违法和不良信息举报电话：027-86699610 举报邮箱：58377363@163.com

精英家教网