用所给动词的适当形式填空。
1. I ________ (let) you know when I ________ (reach) Beijing.
2. It ________ (start) raining when we ________ (leave) the hotel.
3. What ________ he ________ (do) when he ________ (grow) up?
4. I ________ (call) and asked them if they ________ (have) Tom's address.
5. If it _________ (be) a little warmer, we ________ (go) for a swim.
6. When I got to the station, the train _______ (leave).
7. I ask him if he ________ (come) to my party if he ________ (have) time next Saturday.
8. He said his mother ________ (buy) a pair of new shoes for him.
9. I _______ (tell) him that two more students ________ just ________ (join) Greener China.
10. We will not go to the cinema if you ________ (have) no time.