– Why you didn’t handed in your exercise paper?–Sorry, but I ____ that it should be turned in today.
#100688
A
didn’t know
B
hadn’t known
C
haven’t known
D
don’t know
推荐题目
There they met two Indian monks who were Buddhist masters and ______ as educators without salary.
#102525
A
were working
B
worked
C
have work
D
had worked
—Can I help you，sir?—Yes，I bought this radio here yesterday，but it______.
#103923
A
didn’t work
B
won’t work
C
can’t work
D
doesn’t work
—Your colleague is speaking English with fluency. —It's no wonder．She ____ in the UK for a year as a visiting professor．
#100532
A
worked
B
has worked
C
had worked
D
has been working
A vast area north of the Yangtze River ______by the first heavy SNOW of the new year，causing difficulties to the post-festival road transport.
#102259
A
were affected
B
was affected
C
had affected
D
has affected
A lot of food as well as some tents _________to Yushu since the earthquake occurred.
#102740
A
has been transported
B
have been transported
C
is being transported
D
are transported