Yesterday we had （） talk.
A. one and a half hour’s
B. one and a half hour
C. an hour and a half’s
D. an hour’s and a half
电动机外观检查或电气试验时，质量有可疑或运转中有异常情况应进行（）。
在观看体操比赛中，鼓掌加油通常有两种情况，分别是哪两种？
The shut off valve at the gasoline tank which can be operated from outside the tank space （）.
A. controls the amount of gasoline to the engine
B. shuts off the gasoline supply at the tank
C. is used if the gasoline tank leaks
D. All of the above
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