There was a fierce debate about _____we should go on with experiments on creating new life.
#31744
A
which
B
whether
C
that
D
What
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________book you choose on the shelf __________ our school library.
#33923
A
Whichever; is belonged to
B
Whichever; belongs to
C
No matter which; belong to
D
Whatever; is belonged to
 —It seems that his health is improving.—Yes. It is ten years ___ he _____.
#80097
A
that, smoked
B
after, didn’t smoke
C
since, smoked
D
before, smoked
---Did you remember to give Jenny the money?---Yes. ________ I saw her, I'm sure.
#31396
A
So long as
B
So far as
C
The moment 
D
Any time