单项选择题

(Under no) circumstances (we shall) stop (the) research (we've begun).

A．Under no
B．we shall
C．the
D．we've begun
<上一题 目录 下一题>
热门 试题

单项选择题
The reason (why) Jack (failed) to (attend) the lecture is (because) he had a bad cold.
A．why
B．failed
C．attend
D．because
单项选择题
I (was just) falling (sleep) last night (when) I heard a knock (at) the door.
A．was just
B．sleep
C．when
D．at
相关试题