— I know smoking is bad for my health， ____ I just can’t give it up.
— It is easier said than done.
A. for B. or C. but D. so
I won’t leave the classroom until my homework ______.
A. finishes B. is finished
C. will finish D. are finished
--- Lucy often helps her classmates with their study.
--- _______ a good girl she is!
A. What B. How C. What a D. How a
We may meet all kinds of difficulties in the future， but we should be confident enough to any challenge.
A. put on B. get on C. take on D. try on
Millie is quiet and modest and easy________________.
A. to work B. work with
C. to work with D. to work with her
She has finished typing but she doesn’t know _______ next.
A. what to do B. how to do
C. what should she do D. how she should do
