the sentence , so he asked the teacher to explain it again.
#67881
A
Not having understood
B
As he didn’t understand
C
Having not understood
D
He didn’t understand
推荐题目
 Mary's favorite is fiuit. _______ kind it is.
#67646
A
whatever
B
wherever
C
whenever
D
however
---- Is it high time that we _____ on the school building? ---- Yes, it _____.   
#73483
A
do some repairs; is
B
do some repair; is
C
did some repairs; is
D
did some repair; was
As far as I see,   is no possibility      he will win the tennis match this time.
#68106
A
it ; that
B
there; that
C
it ; whether
D
there; whether