---Monitor? --- I’m not monitor of our class. I __ with the teacher until the monitor is elected.
#99988
A
will just help
B
am just to help
C
am just helping
D
have just helped
推荐题目
With the help of high technology, more and more new substances ______ in the past years.
#104082
A
discovered
B
have discovered
C
had been discovered
D
have been discovered
Michael __________ here to see you and he____________ a note on your desk.
#104817
A
has come; had left
B
has been; has left
C
has come; left
D
has been; left
My father ____ a bus to his office until the workers have had his car fixed next week.
#100308
A
has taken
B
is taking
C
had taken
D
took
Because the shop _______, the T-shirts are sold at half price.
#104568
A
has closed down
B
closed down
C
is closing down
D
had closed down