Scientists are working hard to make _______ possible for people to live on Mars in the future.
#55873
A
it
B
that
C
this
D
one
推荐题目
The cost of renting a house in central Jurong is more than in any other area of the city.
#55741
A
that
B
this
C
it
D
one
Various ways have been provided for us to solve the problem. We can choose _____to start with.
#55739
A
it
B
that
C
each
D
one
---Have you found your English book?---No, I haven’t found ________, but I borrowed ________ from Jack this afternoon.
#55729
A
it; one
B
one; that
C
one; it
D
that; one