-- I have got a headache. -- No wonder. You_________ on the math exercises too long.
#63776
A
work
B
are working
C
have been working
D
worked
推荐题目
Have you really realized the part computer has________ in the daily life?
#63751
A
made
B
given
C
caused
D
played
Mary has __________ herself __________ for the party.
#63748
A
held; up
B
attended; to
C
done; up
D
turned; up
The final examination is coming up soon. It’s time for us to ________ our studies.
#63788
A
get down to
B
get out
C
get back for
D
get over
Years of fighting have ______ the area ______.
#63754
A
remained; in ruins
B
left; in ruins
C
remained; in ruin
D
left; in ruin
It’s reported that in the past 50 years around 80 percent of Beijing’s courtyard houses ______.
#63767
A
had wiped out
B
have wiped out
C
have been wiped out
D
had been wiped out