—How long do you think it is ________ he arrived here? —No more than half a year, I believe.
—Do you often talk with your friends on the telephone or mobile phone? —________.I like using QQ.
To save class time,our teacher has ________ students do half of the exercise in class and complete the other half for our homework.
My grandma still treats me like a child.She can’t imagine ________ grown up.
I just pretended nobody was at home,so I didn’t ask who ________ was.
I don’t think ________ possible to master a foreign language without much memory work.