A teacher of English and class teacher _______ us something about volunteer workers.
#99999
A
are telling
B
is telling
C
are given
D
were given
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Would you give him my best regards as soon as he ____?
#103968
A
came
B
come
C
has come
D
comes
 Great changes ______ in the past few years, and a lot of factories ________.
#100648
A
had taken place; have been set up
B
have taken place; have been set up
C
took place; have set up
D
were taken place; were set up
_____ in the queue for an hour,Tom suddenly realized that he had left his wallet at home.
#103270
A
To wait
B
Have waited
C
Having waited
D
To have waited