As middle school students, we follow the public rules wherever we go.
A.would B.should C.might D.could
Life on Mars would be interesting ________ challenging.
A.as well as B.as long as C.as good as D.as soon as
Studies show that________ you read, the less you understand what you have read.
A.faster B.the faster C.fastest D.the fastest
Armstrong joined the navy in 1949 and served _______ a pilot for three years.
A.with B.like C.to D.as
Mary chatted with a friend of on WeChat for a long time last night.
A.she B.her C.hers D.herself
Yancheng is a beautiful city that lies in ________ east of China.
A.a B.an C.the D./
