— Hello! This is Kevin speaking. May I speak to Mr. Cao?
— Please _________. I’ll put you through.
A.come on B.move on C.hold on D.try on
— A robot served us dinner last night. Don’t you think we are living in amazing times?
— I can’t agree more. The ________ makes our lives easier and happier.
A.information B.technology C.discovery D.competition
They offered courses_________ students know the importance of protecting the Huanghe River.
A.help B.helped C.helps D.to help
Compared with a 1-day weekend, a 2-day weekend is _______ as we may have enough time for our hobbies.
A.more pleasant B.less pleasant
C.the most pleasant D.the least pleasant
As soon as books ________, the volunteers posted them to the students in Hope Primary School.
A.are raised B.were raised C.raised D.have raised
The children are jumping excitedly because they have _______ the design perfectly in groups.
A.completed B.controlled C.contacted D.caused
