The supermarket provides customers _____ plastic bags for free.
A.on | B.with | C.of | D.in |
The little boy is only six years old, _________ he can make wonderful model cars.
A.so | B.or | C.but | D./ |
Please knock at the door ________ you come into the room.
A.before | B.after | C.until | D.while |
A tourist will easily lose his way in Beijing ______ he has a map or a guide.
A.if | B.because |
C.unless | D.when |
Be quick, ___we’ll be late for school.
A.and | B.or | C.so | D./ |
--- I won’t go to the party tonight.
--- ______ you told me you would. What’s the matter?
A.So | B.Or | C.Because | D.But |