He had a lot of friends, none of _____ could lend him any money. 
#74244
A
whom
B
them  
C
which 
D
who
推荐题目
It was ____ the old worker came that we ____ the  experiment.
#73098
A
until; didn’t begin
B
not until; began
C
until; began
D
not until; didn’t begin
You will be late for school ________you hurry up.
#68226
A
if
B
since
C
when
D
Unless