If a computer crashes,you will lose the file you _____ on unless you save it regularly.
#104026
A
are working
B
work
C
will work
D
worked
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—My dear, you ______ things about. Look, what a mess in the room! —Sorry, Mom.
#99063
A
have always thrown
B
always throw
C
are always throwing
D
always threw
I decided to go to the library as soon as I ______.
#104128
A
finished what I was doing
B
finished what I did
C
would finish what I was doing
D
finish what I did
－What’s that terrible noise?－The neighbours _____ the lawn.
#101945
A
mow
B
are mowing
C
have mowed
D
will mow
By the time Jack returned home from America, his son __________ from college.
#102199
A
graduate
B
has graduated
C
had graduated
D
had been graduated
---Can you tell me by whom the speech next Friday?---Mr. Green, our geography teacher.
#99020
A
is given
B
be given
C
will give
D
will be given