（）the room temperature, she kept the heater on.
A: Kept on
B: Keeping up
C: So as to keep up
D: To keep up
A: Kept on
B: Keeping up
C: So as to keep up
D: To keep up
举一反三
- Our room must ( ) clean. A: to keep B: be keeping C: be kept D: keep
- Our room must________clean. A: keep B: be kept C: to be kept D: to keep
- The of the company will draw up a plan to decide who will be kept on.
- food __________(keep ) fresh in the fridge. A: keeps B: is kept C: keeping D: kept
- They walked so fast that I could not______them. A: break up with B: come up with C: keep up with D: put up with