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.