By the time you arrive home, I ____ ,so please don’t make any noise when you come in.A.have been sleeping B.would have slept C.had slept D shall be sleeping
In those hard days , we could not leave behind___________came to us for help.
Do you know how much time and effort they devoted___________such a complicated project ?
The government has___________a series of policies and measures to ensure the improvement in living standards.
—Did you read the book Who Stole My Cheese ? —Yes. I___________it twice while in university.
Can you think of some cases___________students know clearly he should listen to the teacher but can’t do that ?