The more you ________ the group activities, the more outgoing you will be.
A.check in B.join in C.bring in D.drop in
Before you ________ your test paper, you'd better check it carefully to avoid some mistakes.
A.hand in B.put in C.fill in D.come in
________ yourself. You are sure to win the speech competition.
A.Let in B.Drop in C.Believe in D.Major in
Noboby can know what tomorrow will be like, so don't ________ it. Make full use of today.
A.bring about B.talk about C.walk about D.worry about
As students, we shouldn't only ________ the marks. We should focus on what we have learned.
A.care about B.hang about
C.know about D.argue about
It's our duty to protect the environment. So don't ________ waste paper everywhere.
A.put away B.keep away C.throw away D.take away