Themedicine（）cool,cleananddry.
A: must keep
B: must be kept
C: must be keep
D: must be in
A: must keep
B: must be kept
C: must be keep
D: must be in
举一反三
- The medicine （） cool, clean and dry. A: must keep B: must be kept C: must be keep D: must be i
- Food ___in a cool place in summer. A: must keep B: mustn't keep C: must be kept D: mustn't be kept
- Our room must ( ) clean. A: to keep B: be keeping C: be kept D: keep
- The classroom must ______. A: be kept clean B: keep cleaned C: kept clean
- They don't think they must _____ their neighbours. A: keep up with B: keep on C: keep up D: keep