What do you think of teaching, Bob?—I find it fun and challenging. It is a job ______ you are doing something serious but interesting.

When will the plane–In about fifteen minutes．

_______, I see the moon so bright; Head________, in homesickness I am drowned.

The2014 Winter Olympics started ______ February7,2014.

Did you have any problems in Paris—Yes, _____Chinese food like rice, noodles and dumplings is difficult..