Excuse me,Can this magazine be taken out of the reading room? —–,———you can only read it here.

Why don’t we take a little break? —Didn’t we just have_________?

Mr. Duncan raised an unnecessary question__________-he then failed to find an answer.

Listen! Is Mary singing in the next room?—No. It _______ be Mary．She has gone to Shanghai for an important meeting.

_____ you try it, you will find it is a joyful sport.[ ]