--- Can you tell me how many study groups there are in a class? --- Generally speaking, a class often ___ 8 study groups, each with 7 group members.
-----Must I go there right now? -----No, you _____. You ____go there before supper. A mustn’t , need B. needn’t, may C. can’t ,need D. won’t, can
We laugh at jokes,but seldom about how they work.
_____ playing dumb with teachers. They know very well their students.
They thought my suggestion reasonable _______a few experts to help them.
_____but he still couldn’t understand the logical connection of the two subjects.