Generally speaking, students’ inner motivation with high expectations from others       essential to their development.
#85639
A
is
B
are
C
was
D
were
推荐题目
Grammar mistakes of this kind _____ widely among Chinese students. 
#85807
A
have been made
B
has been made
C
have made
D
has made
 Has ____ how many spies we caught during the war ____ up to now?
#86293
A
it been declared; have been set free
B
it declared; have been set free
C
they declared; has been set free
D
they declared; have set free