Only when he almost knocked her down ______ an old woman was in front of his car.
A.he had found B.had he found
C.he found D.did he find
I ______ my friends and relatives during the Spring Festivals, but I had to stay home because of COVID-19 outbreak.
A.should visit B.might visit
C.would have visited D.must have visited
If you are addicted to your mobile phone, that’s ______ you should lay it down and be involved in meaningful activities.
A.when B.why C.where D.how
When dealing with people from different cultures, we should seek common ground and ______ differences.
A.register B.reserve C.request D.restore
—Take a break, Amy. You ______ on the piano all morning.
—All right. But the competition is coming soon. I have to work harder.
A.are practising B.will be practising C.have been practising D.practice
In the library’s warehouse, robots would manage stock and fetch books ______.
A.on board B.on watch C.on demand D.on occasion
