—When did the computer crash?—This morning，while I ________ the reading materials downloaded from some websites.(2012·福建)
#99575
A
have sorted
B
was sorting
C
am sorting
D
had sorted
推荐题目
As the years passed, many occasions—birthdays, awards, graduations—________ with Dad’s flowers.
#104005
A
are marked
B
were marked
C
have marked
D
had marked
Catherine didn’t like her roommates, because they _____ things from her.
#101721
A
are always borrowing
B
have always borrowed
C
had always borrowed
D
were always borrowing
(2013·吉林长春高中毕业班第一次调研)—Alas! I have left my key to the office in my car.—Don't worry. I ________ it for you. Wait a minute.
#99601
A
get
B
am going to get
C
will get
D
am getting
Although there are no classes in the afternoon now, no student ______ go out of school without the head teacher’s permission.
#102174
A
will
B
must
C
may
D
shall
Prices ______ all the time. It's no wonder that we've spent so much money recently.
#99666
A
rose
B
had risen
C
were rising
D
have been rising