Pleasant music is often played_____classes to make students refreshed and relaxed for a while.
A.between | B.among | C.over | D.after |
If you are in any doubt as to _____ you should be doing these exercises, consult your doctor.
A.that | B.which | C.what | D.whether |
—When can I come for the photos? I need them tomorrow afternoon.
—They_______ be ready by 12:00.
A.can | B.should | C.might | D.need |
Was it _____ she heard with her ears ____ really made her frightened?
A.that; that | B.what; that | C.what; what | D.that; what |
Beneath our feet _____ that our life depends on for food and clothing.
A.the earth lay | B.the earth lies |
C.lies the earth | D.does the earth lie |
We must treasure every minute because _____ time is _____ forever.
A.lost; losing | B.lost; lost |
C.losing; losing | D.losing; lost |