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If you sleep less than 7 hours a day, you are more     to catch a cold.

It wasn’t until nearly a month later ____ I received the manager’s reply.

The child asked his mother _______ go out to play tennis.

When changing lanes, a driver should use his turning signal to let other drivers know _______.

 I ______ thank you too much for all your help to my son while we were away from home.

Don’t take___________ for granted ___________everyone should adore you.

—I am really scared to know the scores of the test!
—________，why did you come here to see our teacher?

The teacher always tells her students that only if __________ hard _________ achieve success.

It is his horse, according to the old man, ________ saved him from the trap.

My father asked me ________ with me.