According to the school rule, no child be allowed out of the school, unless accompanied by his or her own parents.
A. should B. must
C. shall D. can
---Has John ever broken his promise?
---No. For example, he said he would show me around his school, and .
A. so would he B. so did he
C. so he would D. so he did
（题文）—What did she want to know, Tom?
—She wondered we could complete the experiment
A. when was it that B. it was when that
C. it was when D. when it was that
The conflict between economic development and environmental protection, if not appropriately _________, can cause disastrous consequences in daily life settings.
A. being managed B. to manage
C. managed D. managing
AlphaGo’s beating Go grandmaster Lee Sedol 4-1 has ________ an international debate about whether robots will completely take the place of humans.
A. give off B. work out
C. set off D. put out
---The prices of vegetables are going up madly. It’s really too much for us.
---But for the situation where many vegetable producing areas _____ constant low temperature, things would not be like this.
A. meet with B. have met with
C. met with D. had met with
