She brought with her three friends, none of ______ I had ever met before. 
#5039
A
them
B
who
C
whom
D
these
推荐题目
.The teaching building is _________ by many trees, some ______ over 30 metres.
#4739
A
surrounded, measuring
B
surrounded, measured
C
surrounding, measured
D
surrounded, measure
____________ we can’t get seems better than ____________ we have. 
#4989
A
What; what
B
What; that
C
That; that
D
That; what