In that school, English is compulsory for all students, but French and Russia are ____ .
#18975
A
special
B
optional
C
regional
D
original
推荐题目
Greenland, _____island in the world, covers even two million square kilometers. 
#20745
A
it is the largest
B
that is the largest
C
is the largest
D
the largest
Gilbert wasn’t ______ the time this morning, so he was late for school. 
#19773
A
involved in
B
particular about
C
linked to
D
aware of