Sally ___________ an hour __________ her homework yesterday.
A. spent, doing B. spends, doing
C. spent, to do D.spends，to do
My mother often tells me _______ my classmates when they need.
A.help B.to help C.helping D.helps
I saw the boys _______football in the gym when I passed by yesterday afternoon.
A. play B. to play C. plays D. playing
—There _______ a concert this evening.
—Exciting news.
A.are going to be B.is going to be
C.is going to have D.will have
I didn’t know it _______ you told me.
A.if B.because C.until D.after
Don’t worry. He is _______ to take care of little Betty.
A.carefully enough B. enough careful
C.careful enough D.enough carefully
