He _____ be really difficult at times even though he ,generally speaking, is a nice person. 
#63426
A
can
B
should
C
shall
D
must
推荐题目
—Do you know       ? —I’m not sure, maybe he is an artist.
#77386
A
who is the man
B
what is the man
C
who the man is
D
what the man is
_______ Tom _______ Peter are fond of watching TV.
#77980
A
Not only…but also
B
Both…and
C
Either…or
D
Neither…nor