If man doesn’t stop destroying forests. we will suffer from terrible flood. (Unless)
A.Unless man stops to destroying forests, we will suffer from terrible flood
B.Unless man stops destroying forests, we will suffer from terrible flood
C.Unless man stops destroying forests, we will not suffer from terrible flood
D.Unless man stops to destroy forests, we will suffer from terrible flood

The traffic was so heavy that we couldn’t come back home before 8 RM. (It was such)
A.It was such heavy traffic so we couldn’t come back home before 8 P.M.
B.It was such heavy traffic that we couldn’t come back home before 8 P.M.
C.It was such heavy traffic that we could come back home before 8 P.M.
D.It was such heavy traffic we couldn’t come back home before 8 P.M.

Bill reviewed all the old lessons. Then he did the assignments. (Before)
A.Before Bill had done the assignments, he had reviewed all the old lessons.
B.Before Bill did the assignments, he reviewed all the old lessons.
C.Before Bill had did the assignments, he reviewed all the old lessons.
D.Before Bill did the assignments, he had reviewed all the old lessons.

There isn’t any rain in that area. People cannot grow any crop there. (If)
A.If there was rain in that area, people could grow crop there.
B.If there were rain in that area, people could grow crop there.
C.If there were rain in that area, people couldn't grow crop there.
D.If there were rain in that area, people could grow to crop there.

Choose A, B, C, or D that best completes the sentence.
There was no alcohol in the flat, ___ any tobacco.
A.or
B.nor
C.but
D.and

Choose A, B, C, or D that best completes the sentence.
This is a useful rule, ____ difficult to remember.
A.so
B.but
C.and
D.or

Choose A, B, C, or D that best completes the sentence.
____ knowledge can be acquired from books, skills must be learned through practice.
A.Since
B.And
C.But
D.Whereas

_________(65)
A.able
B.capable
C.probable
D.available

The boy is intelligent, however, I don’t like ........(lazy)
A.laziful
B.laziless
C.lazily
D.laziness

.......very important in teaching young children. (repeat)
A.repetitive
B.repetition
C.repetitiousness
D.repetitiveness