I was giving a talk to a large group of people, the same talk I ____ to half a dozen other groups.
#103997
A
was giving
B
am giving
C
had given
D
have given
推荐题目
. —Why didn’t you response to their greeting?  —Sorry. I ______they ______ to me.
#102318
A
don’t realize; are waving
B
don’t realize; were waving
C
didn’t realize; were waving
D
didn’t realize; are waving
The country life he was used to _____ greatly since the opening policy.
#104954
A
change
B
has changed
C
changing
D
having changed