________ they will go there to try another experiment hasn’t been decided yet.
A. Whether
B. If
C. About whether
D. Why
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If the ancient people had not learned to make use of fire, they ________ the advanced civilization.
A. will not create
B. shall not create
C. would not have created
D. should not have created
He asks that he ________ an opportunity to try this method.
A. is given
B. be given
C. were given
D. gave
It was ________ that we were very tired when we got there.
A. such long trip
B. such long a travel
C. so long travelling
D. so long a trip
________ that even people in the next house could hear him.
A. So loudly he spoke
B. So loudly did he speak
C. So loudly he speaks
D. So loudly does he speak