I remembered having locked the door, but I came back to .
| A.take off | B.put up | C.make sure | D.used to | 
We congratulated Jerry ____ the championship.
| A.on winning | B.winning | 
| C.to win | D.about winning | 
It took my father half an hour to finish ____ my bike.
| A.repairing | B.repair | C.to repair | D.repaired | 
Most students in my class are never _____ in the morning classes.
| A.of their best | B.for their best | 
| C.in their best | D.at their best | 
There are many advantages to live on the top of a high-rise, one of which is that you can get a good ______.
| A.sight | B.scene | C.view | D.look | 
The new play ____ four parts, each of which is very fascinating.
| A.is composed of | B.composes of | 
| C.makes up of | D.made up |