—Are you worried about the coming exam?—No, I think the more ________ you study, ________ mistakes you’ll make.
The students were all tired, but ________of them stopped ____________ a rest.
Activities in our school __________ sports, language learning and music _________.
The poor little girl was _________young to know ______________ when her parents suddenly died in an accident.
They walked around the city to ____________ money for the children in disaster-hit areas after the terrible earthquake in Mexico.
—I want to know if I _______________smoke here. —No, you ______________. Could you see the sign “ No Smoking” there?