I don’t know______ he will come tomorrow. ______ he comes, I’ll tell you.
A. if, Whether B. whether, Whether
C. if, That D. if, if
The fruit salad tastes delicious. Could you tell me ____________?
A. where to do it B. when to do it
C. what to do D. how to do it
Don’t ______your hope and try again.
A. give up B. look up C. wake up D. make up
We can’t do well in exams we study hard.
A. if B. and C. since D. unless
As a student, it is your to study hard.
A. duty B. mistakes C. notes D. challenge
When I have problems I often ask my father .
A. to helping B. help C. for help D. to help
