1 . 单句语法填空
1. ______ lets out the secret should be punished.
2. ______ I became a teacher was due to my mother’s influence.
3. The most pleasant thing of the holiday is ______ one can entirely enjoy himself.
4. This is ______ my father has taught me— to always face difficulties and hope for the best.
5. By boat is the only way to get here, which is ______ we arrived.
6. What really annoys me is ______ my Christmas gift has been delivered to a wrong person.
7. Evidence has been piled up ______ drinking water after getting up in the morning contributes to one’s health.
8. That’s ______ we decided to put the meeting off.
9. The patient’s son asked the doctor the question ______ his father could survive the big operation.
10. There were varieties of brands on the car show, but I didn’t know ______ was most suitable for me.

2 . When you get separated from your mother, please remain _______ you are. (用适当的词填空)

3 . Forty grams of meat per day is ________ people should consume in order to stay fit. (用适当的词填空)

4 . __________ Yang Liwei ate his food in space is __________ we want to know.