________ one’s word is very important for the human beings.
A: keep
B: keeping
C: to keep
D: kept
A: keep
B: keeping
C: to keep
D: kept
举一反三
- It’s necessary for you (_____) the classroom clean. A: keep B: keeping C: to keep D: kept
- ________clean and tidy, the old garden still looks very beautiful. A: Keep B: To keep C: Keeping D: Kept
- Our room must ( ) clean. A: to keep B: be keeping C: be kept D: keep
- （）the room temperature, she kept the heater on. A: Kept on B: Keeping up C: So as to keep up D: To keep up
- Ihopeyouenjoy____them. A: tokeep B: keeping C: keep D: kept