---- You haven’t got the textbook for my chemistry course yet. ---- I know, and we _____ to get it for the last 5 weeks.
#104715
A
will have been trying
B
have been trying
C
will be trying
D
had tried
推荐题目
It can be proved that Diaoyu Islands ______ part of the territory(领土) of China since ancient times.
#99383
A
belong to
B
are belonged to
C
have been belonging to
D
have belonged to
--How did he get infected? --She ____the viruses without any protection.
#101629
A
exposed to
B
had exposed to
C
was exposed to
D
had been exposed
He _____ football regularly for many years when he was young.
#100315
A
was playing
B
has played
C
played
D
had played