【单选题】
I don’t think you’ll be able to understand this formula(公式)___ you finish school.
【单选题】
Ill go out for a walk after supper if it____ rain.
【单选题】
40.—I`m sorry I didn`t do a good job. ---Never mind.____you have tried your best.
【单选题】
19._____ all this work and so little sleep at night, I don’t think I can go on much longer.
【判断题】
A: Will you go fishing with me this afternoon? B: Certainly, Ill be glad to.
【单选题】
It was ___ it rained heavily that they didn’t come.
【单选题】
Individual lines of the poem were very beautiful, but I didn’t see how the lines fit together. To me, the poem wasnt _____.
【单选题】
People [填空] go to the distance space some day.
【单选题】
I ___ go to bed until I ___ finished my work last night.
【单选题】
They made a _____ search for the lost ring, but didn’t find it.