题目内容
If _____ to look after luggage for someone else, inform the police at once.
| A．asked | B．to ask | C．asking | D．having asked |
A
解析试题分析：句意：如果被要求给别人照看行李，立刻通知警方。当if引导的从句主语和主句的主语一致时，从句主语可以省略，用动词的-ing（动词和主语是主动关系。）或-ed（动词和主语是被动关系。）形式来表示。 从语境中可知这里是被要求，故选A。
考点: 考查省略的用法。
每日10分钟口算心算速算天天练系列答案It is the third time so far that such a festival ________in my hometown.
| A．has held | B．has been held | C．will be held | D．had been held |
The child asked his mother _______ go out to play tennis.
| A．that he could | B．if could he | C．if he could | D．that could he |
Only when he reached the teahouse it was the same place he’d been in last year.
| A．he realized | B．realized he | C．had he realized | D．did he realize |
— Do you think it wise for Chinese mothers to try to do everything for their children?
— No, that’s ______ they are mistaken.
| A．where | B．when | C．so | D．how |
So______ that most parents are too worried to let their kids travel alone at the beginning of the new term.
| A．is the distance great | B．great the distance is |
| C．the distance is great | D．great is the distance |
______ what your families said just now, I think, and you will make your own decision.
| A．Consider | B．Considering | C．To consider | D．Considered |
Not until Mr. Smith came to China ___ what kind of a country she is.
| A．did he know | B．he knew |
| C．he didn't know | D．he could know |
Not until he received the invitation ________to attend the summit held in New York.
| A．did he decide | B．he had decided | C．had he decided | D．he decided |