用所给单词的适当形式填空。

1. My English teacher often wears _____ (glass).

2. I always _____ (meet) John on my way home. I usually stop _____ 

    (have)a walk with him

3. Kate sings very well. She _____ (want) to be a _____ (music).

4. What _____ the singer _____ (look) like?

5. The old tree is 16 meters in _____ ( high).

心内膜弹力纤维增生症的治疗是主要应用_________控制心力衰竭，一般反应较好，需长期服用，直到________方可停药。