. .Tim was late again， ______stayed up l_爱下问搜题

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问题选择题

.

.Tim was late again， ______stayed up last night ,he would have come here earlier.

A If he didn’t B Did he not C Had he not D If had he not

答案

答案：C

选择题

I like watching basketball games __________ TV. [ ]

A. in

B. at

C. for

D. on

判断题

汇水区划分应高水高排、低水低排，避免将地势较高、易于排水的地段与低洼地区划分在同一排水分区。