When was it _____ your parents took you to Hangzhou?
A.before | B.if | C.which | D.that |
After five hours’ drive,they reached________they thought was the place they had been dreaming of.
A.where | B.what |
C.which | D.that |
Professor Backman took up scientific research for decades,and this is________he devoted all his life to.
A.which | B.what |
C.where | D.how |
Sorry I’m so late,but you cannot imagine________great trouble I took to find your house.
A.what | B.how |
C.which | D.why |
Water,which seems so simple and common,is________makes life possible.
A.what | B.that |
C.which | D.how |
—You know,I’m poor in Chinese,you are not good at English,and...
—That’s________we should help each other.
A.when | B.where |
C.how | D.what |