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 ．

70岁，女性，间断性咳嗽10余年，近来加重，有少量黏痰，CT扫描示双肺纹理增多，胸膜下区纹理更明显，呈网格状，结构欠清，肺内未见明显肿块影，最可能的诊断是（）

A.慢性支气管炎

B.支气管扩张

C.间质性肺炎

D.特发性间质纤维化

E.矽肺