— Could you please do some shopping for me, Mary?— Sorry, I ______ my homework.
#42147
A
do
B
am doing
C
have done
D
was doing
推荐题目
It is said that the meeting _______ for a week.
#41750
A
has been ended
B
has lasted
C
has began
D
has been held
— _______ late for school again, Tim!— Sorry, I promise that I _______.
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A
Don’t; won’t
B
Don’t be; won’t
C
Don’t be; don’t
D
Don’t; will
The new bridge in Wenchuan ____ last month. Now it’s easy to go to the city center.
#40547
A
built
B
was built
C
has been built
D
were built