单项选择题

Do you find ______ necessary to take offour shoes when we enter the computer laboratory

A. this
B. that
C. it
D. us
<上一题 目录 下一题>
热门 试题

单项选择题
She was criticized ______she should make the same mistake again.
A. unless
B. as long as
C. lest
D. so that
单项选择题
When I poked (捅) the fire, it quickly ______ flames.
A. burst in
B. burst forth
C. burst into
D. burst out
相关试题