I remembered _____ the door before I left the office, but forgot to turn off the lights.
A. locking B. to lock C. having locked D. to have locked
Teachers required that all the students ___ their homework all alone.
A. must finish B. would finish C. had to finish D. finish
His favorite food is fried snack and soft drinks. ______ is no surprise that losing weight is just his dream.
A. There B. It C. As D. What
The most interesting thing to the small boy was _______ he got close to the door, it would open of itself.
A. that as B. that that C. what that D. what when
Please keep______ secret that he' s decided to give up his present position.
A. one B. it C. this D. that
It was a pity that the great writer died _________his works unfinished.
A．for B．with C．from D．of
