I will work hard and keep ____.
A. went
B. going
C. go
D. gone
Is it difficult ____ you to hunt for a job?
A. with
B. in
C. for
D. by
achieve的名词是____?
A. unachieve
B. achievety
C. achievetion
D. achievement
difficult 的反义词是____?
A. easy
B. difficulty
C. imdifficult
D. difficultly