It shouldn’t take long to clear up after the party if we all volunteer to help— That’s right __________

When the baby was crying, she started singing to him and was ________ with a smile.

(2013·高考新课标全国卷Ⅱ)A serious study of physics is impossible________some knowledge of mathematics

You should learn to think while reading. Usually, behind the lines _______ the writer’s true meaning.

______ regular exercise is very important, it’s not a good idea to exercise too close to bedtime.