You’d better speak aloud ______ we can hear you.
A.so that B.as … as C.as if D.since
Xiao Li， hurry up， _____ you will miss the bus.
A.but B.and C.or D.since
—Lily， _____ you _____ your ticket?
—Not yet!
A. diD. find B. have； found
C. has； found D. do； find
There are _____ living things on the earth， we must care for our home --- the earth.
A. million B. millions C. million of D. millions of
There are more than 5000 students in our middle school.
A. many B. much more C. over D. much
Trees are very important to our environment. They can stop wind from blowing the earth away.
A. kept B. put C. take D. prevent
