---I am sorry to have kept you ___________.---It doesn't matter. I've just come.
#49688
A
wait
B
waited
C
waiting
D
to wait
推荐题目
Mr Smith told me that he wasn’t used to ___ by plane and he usedto __sick a lot.
#50880
A
travelling; feel
B
travel; feeling
C
travel; feel
D
travelling; feeling
My cousin Bobby enjoys ______________.
#50161
A
play games
B
listen to the radio
C
wear glasses
D
playing basketball
 I really don’t know____________.
#50551
A
how to do
B
what to do
C
what should I do
D
how I should do
Camels can walk a long way without __________ . 
#50538
A
to drink
B
drinks
C
drinking
D
drank