【题目】There are so many kinds of T-shirts. We can’t decide_____.

【题目】As we all know, good memory_____ memorizing methods as well as daily habits.

【题目】When your homework _____ , you can go out to have a rest.

【题目】Before he went to Beijing, he____ in Hong Kong for four years.

【题目】While Jenny _____ letters in her office, Jessica was watching a game on the Net.

【题目】When having a fire drill, we _____run downstairs.

【题目】____my brother arrived in Thailand, he visited the local biggest temple at once.

【题目】Keep your eyes open, _____ you will miss the most exciting moment of the magic.

【题目】With the teacher's encouragement, the boy works even______.

【题目】We should never be pleased with book knowledge. We also need practical ______.