The two friends ______on the Internet for three hours, and they would go on till the next morning.
#101929
A
have been chatting
B
had been chatting
C
were chatting
D
had chatted
推荐题目
Would you give him my best regards as soon as he ____?
#103968
A
came
B
come
C
has come
D
comes
They woke up ______ everything around ______.
#103189
A
found; changed
B
only to find; changed
C
to find; changing
D
finding; changed
It's reported that by the end of this week the stock exchange________ by about 10%. 
#104889
A
will have risen
B
has risen
C
will be rising
D
has been rising