David likes vegetables, _________ tomatoes, potatoes and cabbages. 
#56099
A
of course
B
for example
C
and so on
D
such as
推荐题目
Nothing can be done _______  he returns.
#56142
A
as
B
before
C
while
D
until
— __________ will the meeting start?—In about ten minutes, I think.
#56228
A
How long
B
How soon
C
How often
D
How far
 ________ you have tried it on, you can’t imagine ________ pretty the new style skirt is.
#56251
A
Because; how
B
Unless; how
C
If; what
D
Although; what