I’m very sorry to keep you _____ for a long time
#51143
A
wait
B
waits
C
waiting
D
to wait
推荐题目
I noticed him _________ the teacher’s office just now.
#48688
A
go into
B
went into
C
was going into
D
came out of
My mother’s birthday is coming, I don’t know _________for her．
#48742
A
what to buy
B
how to wear
C
when to go
D
why to do
— What do you often do in your free time?— I spend all my free time ______ English.
#49577
A
practise
B
practises
C
to practise
D
practising