He let me repeat his instructions_____ sure that I understood what was _____ after he went away.
#92187
A
to make; to be done
B
making; doing
C
to make; to do
D
making; to do
推荐题目
We should put away all medicines out of reach of children and make sure they are not left ________.
#98198
A
lie round
B
laying around
C
lain round
D
lying around
Properly _______ with numbers, the books can be easily found.
#97433
A
marked
B
mark
C
to mark
D
marking
______ their service, the workers of the hotel are active in learning English.
#91829
A
Improving
B
To improve
C
Improve
D
Having improved