– I have difficulty in learning English. I don’t know _______.
– Why not join an English club?
A. why to do B. what to do C. when to do
They don’t know what ___________ the problem .
A.to do | B.do | C.to do with | D.do with |
Don’t try to do everything at once. Take it a bit _______________.
A.at times | B.at a time |
C.at all times | D.at that time |
We __________ obey the traffic rules.
A.must | B.have to | C.may | D.can |
What a ________ rain ! It has rained ______ since last night.
A.heavily heavy | B.heavy heavily |
C.hardly hard | D.hard hardly |
—Andy finished first in the competition!
--- Really ? Sounds ________ to believe.
A.too good | B.good enough |
C.quite good | D.so good |