【单选题】
Why not buy a cheaper one, ___ you don’t have enough money?
【单选题】
_______ hard work, you don’t have much chance of success.
【单选题】
When you have finished with that video tape, don’t forget to put it in my drawer, ---_____?
【单选题】
Sorry, I can’t find the books you asked for.____________
【单选题】
I don’t know the reason ___________ she is absent again today.
【单选题】
My daughter bought me an IPAD,but I don’t know_____.
【单选题】
12. When you are _____ with the book, please don’t throw it away.
【单选题】
Don’t hesitate ______ for help if you have any problem meeting the schedule.
【单选题】
I haven’t made ( ) my mind where to go.
【单选题】
—Look, someone is coming. Guess who it ___ be?—I think it ___ be Tom.—I don’t think it ___ be ___.
④
?might; must; can; himself