(2013·高考新课标全国卷Ⅰ)If we________now to protect the environment，we’ll live to regret it.
#99713
A
hadn’t acted
B
haven’t acted
C
don’t act
D
won’t act
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Mike his wedding for a whole month and hopefully everything will be ready tomorrow.
#103203
A
prepares
B
is preparing
C
has prepared
D
has been preparing
--Jack! I have left my key to the office at home.-- Don’t worry. I _________ it for you. Wait a minute.
#100156
A
get
B
am going to get
C
will get
D
am getting
The building which _____ now will be our science laboratory.
#103024
A
is being built
B
will be built
C
is built
D
has been built
---- Mr. Smith is said to have retired and he is living in the country now. ---- Yes. He ________ in our factory for 35 years! What a good worker!
#100306
A
had been working
B
had worked
C
worked
D
have worked
Nothing that he suggested _____ to be of any use.
#100775
A
prove
B
proved
C
proving
D
has been proved