—Has your brother found an apartment yet?—No, he's still living in a room downtown, but I ________ him look.
#102090
A
help
B
have helped
C
am helping
D
helped
推荐题目
I had meant to meet you at the airport this morning but I was too busy for I_______ a report.
#100524
A
wrote
B
was writing
C
have written
D
had written
The first decade in the 21st century _______ the rapid rise of China as a world economic power.
#102847
A
witness
B
has witnessed
C
will witness
D
have witnessed
.Despite UNICEF’s efforts, dirty water ______ for disease spreading in southern Iraq at the very moment.
#103783
A
is to be blamed
B
is being blamed
C
has been blamed
D
was blamed
Edward, you play so well. But I ________ you played the piano.
#104527
A
didn’t know
B
hadn’t known
C
don’t know
D
haven’t known
—Why? Where is the key to the meeting room? —Dear me! You ______ it in the taxi!
#104446
A
had never left
B
didn’t leave
C
never left
D
haven’t left