选择动词的正确形式填空。

1. Tomorrow morning ,Bill (went ／is going) _____ to have his first class ．

2. Janet (wanted ／wants) _____ to go to Canada last summer ．

3. Next year Wang (will be ／was) _____ sixteen ．

4. When Jeffrey grows up ,he (is ／is going to be) _____ a pilot ．

5. Mary (was ／is going to be) _____ happy when she hears the news ．