—Remember________the door when you leave the room．
—OK，I will．
A．to lock
B．locking
C．lock
D．locked
The coach asked us to stand________a row．
A．for
B．on
C．in
D．at
(2013青海)—What do you think of the house?
—It is much more beautiful than________．
A．we
B．us
C．ours
（2012临沂）China plans to let tourists________the Xisha Islands in the South China Sea this year．
A．visit
B．visits
C．visiting
D．visited
—________do they go to the park？
—Because they want to play games there．
A．Why
B．What
C．When
D．Who
—Let’s go to the zoo on Sunday morning．
—________．
A．Not at all
B．Thank you very much
C．That sounds good
D．It’s very interesting
