Mr. White always expected his son _______________ anactive part in the classes.

The number of the students in our school _____increasing now and a number of them _____abroad

I have two elder brothers, ____ in the army for ten years.

what do you think of the lecture of Li Yang’S Crazy English—I think it’s________，but someone thinks it’s much too________．

What a shame for me when someone standing next to me heard a flute and I heard nothing _____[ ]