The decorator suggested that he（ ）up a screen on the window to let in fresh air and keep out flies.
A.正确答案Afix
B.fixed
C.fixes
D.fixing
The decorator suggested that he（ ）up a screen on the window to let in fresh air and keep out flies.
The decorator suggested that he（ ）up a screen on the window to let in fresh air and keep out flies.
A.正确答案Afix
B.fixed
C.fixes
D.fixing
