In the new curriculum, some courses are        , while others are optional for middle school students.
#18739
A
traditional
B
compulsory
C
impressive
D
significant
推荐题目
These experiences ______ me _____ the drug’s harmful effects. 
#19785
A
are convinced; by
B
convinced; of
C
were convinced; by
D
convinced; at
A cat is ______ a tiger ______ many ways. 
#19736
A
similar as ; in
B
similar with ; of
C
the same as; to
D
similar to; in
The storm is moving slowly____________.
#19912
A
eastern
B
to eastern
C
to eastwards
D
eastwards
 ______ to the climate here, the old couple would rather live here for the rest of their life _____move to another city. 
#18665
A
Having accustomed; than
B
Accustomed; than
C
Accustom; rather than
D
Accustoming; rather than