The best way to prevent the air polluting _____ , but the sky is still not clear.
#102116
A
is used
B
are used
C
has been used
D
have been used
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25. The book ______forty maps, ______three of Great Britain.
#103313
A
contains; includes
B
is containing; including
C
includes; contains
D
contains; including
—You could have asked Mr Johnson for help. He is kind-hearted.—I ________ that. A whole day ________.
#104732
A
forget; wastes
B
forgot; was wasted
C
forgot; had wasted
D
forget; was wasted
I ______ with my uncle and aunt because my parents have gone abroad for a holiday.
#104972
A
stayed
B
am staying
C
have stayed
D
was staying