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There is a paper factory _____ waste water into the river nearby.
#48738
A
poured
B
pour
C
pours
D
pouring
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So many kinds of sweets! I really can’t decide _______. 
#48578
A
what to buy
B
which to buy
C
to buy which
D
to buy what
I have trouble ________ the new words.
#49206
A
memorize
B
memorizing
C
to memorize
D
memorized
The doctor did what he could _____the dying man.
#50311
A
save
B
to save
C
saved
D
saving
Thank you for ________ me with my English.
#48832
A
helping
B
helps
C
are helping
D
help
— Is tea ready?— No, mother is ______ it ready now.
#51393
A
doing
B
cooking
C
burning
D
getting