—Do you know________ Lily can lose so much weight in such a short time?
—Of course, by having sports.
A.why B.when C.what D.how
Many students won't give up their hobbies ________ they are busy with their studies.
A.because B.although C.so D.if
Smoking in the forest. It may cause a fire.
A.is not allowed B.is allowed C.doesn’t allow D.allows
Teachers should ________ their students to continue studying when they want to give it up.
A.keep B.call C.encourage D.compare
The policeman often gives us much________ on how to protect ourselves when we are in danger.
A.fun B.effort C.harm D.advice
It’s amazing the programme ________ put your e-mail into other languages.
A.can B.should C.must D.need
