Remember ______ the door when you leave the room.
| A．close | B．to close |
| C．closing | D．closed |
----Do you know why he left so early?
----___________ for the English test, I guess.
A. Study B. Studying C. To study
There are lots of English books here, and ________ of them is easy to understand.
A. allB. every C. each
The cake is delicious, and I would like ___________ one.
A. a second B. the second C. second
You should do more ___________ instead of sitting at the desk busy doing your _________.
A. exercise; exercisesB. exercises; exerciseC. exercise; exercise
______ girl who will perform at the party tomorrow comes from ______ European country.
A. A; the B. The; a C. The; an