用所给动词的适当形式填空。

1. I _____ (have)an exciting party last weekend.

2. —What _____ Tom _____ (do) on Saturday evening?

    —He _____ (watch) TV and _____ (clean) his room.

3. They all _____ (go)to the mountains yesterday morning.

4. She _____ (not visit) her aunt last weekend.

    She _____ (stay)at home and _____ (do) some reading.

5. When _____ you _____ (write) this song?

中暑是高温作业环境下作业人员发生体温升高、肌痉挛或晕厥等疾病的总称。当作业地点气温（）时应采取局部降温和综合防暑措施，并应减少接触时间。

A、≥36℃

B、≥37℃

C、≥40℃