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
As the world’s population continues to grow, the ___of food becomes more and more of a concern.
A. worth B. supply C. package D. list
I ______ myself more-----it was a perfect day.
A.shouldn’t have enjoyed B. needn’t have enjoyed
C. wouldn’t have enjoyed D. couldn’t have enjoyed
