单项选择题

I catch cold now and then.

A. always
B. occasionally
C. constantly
D. regularly
<上一题 目录 下一题>
热门 试题

单项选择题
There is always excitement at the Olympic Games when an athlete breaks a previous record of performance.
A. beats
B. matches
C. maintains
D. announces
单项选择题
Practically all species of animals communicate either through sounds or through a large repertory of soundless codes.
A. Simultaneously
B. Almost
C. Absolutely
D. Basically
相关试题