(北京)—What were you doing when we were playing basketball yesterday afternoon?—I________the classroom.
—Must I go with them tomorrow?—No, you . A. mustn’t B, shouldn’t C. needn’t D. can’t
Lots of visitors come no Nanjing because she is city.
He was riding to school he was hit by a car this morning.
—How many students are there in your school?— the students in our school over two thousand.
Tom has grown enough to take care of .