During the last three decades, the number of people participating in physical fitness programs ___ sharply.
A.was increasing B. has increased
C. had increased D. will be increasing
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
