Scientists are working hard to make _______ possible for people to live on Mars in the future.
A
.
it B.
that C.
this D.
one
After you see the pictures, you will realize ______ danger the wildlife faces.
A. how many B. how often C. how much D. how long
--- Middle school students hardly know anything about shopping online, ____ they?
--- ________. It’s very popular with teenagers.
A. do; No B. do; Yes C. don’t; No D. don’t; Yes
In the UK, a woman usually doesn’t like to be asked _________.
A. if she has been married or not B. what is her age
C. how much she weighs D. where she comes from
--- Look! That teacher is explaining something to her students again and again.
--- _________ teacher she is.
A. How patient B. What a patient C. How stubborn D. What stubborn
The theme park is about ____ ride from the museum. You should start out right now.
A. two hours B. two hour’s C. two-hour D. two hours’
