I’m sure I locked the door. I clearly remember ( ) it.
A. have been locking
B. to have locked
C. to lock
D. locking
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( ) which road to take, we stopped to look at the map.
A. Not know
B. Know not
C. Not knowing
D. Knowing not
When ( ) whether he was enjoying the food, Jim kept silent.
A. asking
B. asked
C. having asked
D. to be asked
I’m going to have my watch ( ).
A. fixed
B. to fix
C. fix
D. fixing
The children want their parents ( ) together with them.
A. work
B. working
C. to work
D. worked