______we have enough evidence, we can’t win the case.
| A.Once | B.As long as | C.Unless | D.Since |
It’s not easy to change habits, ______ with awareness and self-control, it is possible.
| A.for | B.or | C.but | D.so |
He is so busy. He cannot afford enough time with his son _______ he wants to.
| A.even if | B.as if | C.because | D.before |
Read this story, _______ you will realize that not everything can be bought with money.
| A.or | B.and | C.but | D.so |
Some people care much about their appearance and always ask if they look fine in ________ they are
wearing.
| A.that | B.what | C.how | D.which |
I cannot hear the professor clearly as there is too much noise ________ I am sitting.
| A.before | B.until | C.unless | D.where |
You must learn to consult your feelings and your reason ________ you reach any decision.
| A.although | B.before | C.because | D.unless |
She says that she’ll have to close the shop ________ business improves.
| A.if | B.unless | C.after | D.when |
It’s much easier to make friends you have similar interests.
| A.unless | B.when | C.even though | D.so that |
From space, the earth looks blue. This is about seventy-one percent of its surface is covered by water.
| A.why | B.how | C.because | D.whether |