That hazy(雾霾)weather has hit 104 cities in middle-east China lately makes citizens well aware of ______a terrible problem China is faced with.
#65940
A
what
B
how
C
which
D
that
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All of you,        yourself, and we’ll begin our class soon.
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A
are seating
B
will seat
C
have seated
D
seat
______ some housework can make your mother_______.
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A
Doing; happy
B
Making ; happy
C
Doing; happily
D
Making ; happily
—I’m leaving now.— ______ you turn off the lights.
#59488
A
To make sure
B
Make sure
C
Made sure
D
Making sure
— What should I do with this passage?—_____ the main idea of each paragraph.
#66294
A
Finding out
B
Found out
C
Find out
D
To find out