____ a strong and fair climate agreement at the key UN summit in Copenhagen, 50,000 people in London wore blue and went to the streets.
A.Call for | B.Calling for | C.To call for | D.Called for |
When the group discussion is nearing its end, make sure to ____it with important points.
A.conclude | B.lead | C.avoid | D.hold |
Eye doctors recommend that a child’s first eye exam ____at the age of six months old.
A.was | B.be | C.were | D.is |
______how others react to the book you have just read creates an added pleasure.
A.Hearing | B.Hear | C.Having heard | D.To be hearing |
If we leave right away, ____we’ll arrive on time.
A.hopefully | B.curiously | C.occasionally | D.gradually |
The children, ____ had played the whole day long, were worn out.
A.all of what | B.all of which | C.all of them | D.all of whom |