Jack describe his father, who____ a brave boy many years ago, as a strong-willed man.
A.would be | B.would have been | C.must be | D.must have been |
It is so cold that you can’t go outside _____ fully covered in thick clothes.
A.if | B.unless |
C.once | D.when |
As you go through this book, you ________ that each of the millions of people who lived through World War II had a different experience.
A.will find | B.found |
C.had found | D.have found |
It was when we were returning home ________ I realized what a good feeling it was to have helped someone in trouble.
A.which | B.that |
C.where | D.how |
______ scientists have learned a lot about the universe, there is much we still don't know.
A.Once | B.Since | C.Though | D.Unless |
If you come to visit China, you will ______ a culture of amazing depth and variety.
A.develop | B.create |
C.substitute | D.experience |