Peter was so excited __________ he received an invitation from his friend to visit them.
| A.where | B.that | C.why | D.when |
It’s very funny that many people who lose weight gain it back after some time and end up back __________ they started.
| A.when | B.after | C.since | D.where |
________there are a large number of chemical factories, the air is likely to be polluted.
| A.Where | B.That | C.Though | D.As |
As far as I know, he is seldom, ______, absent from school.
| A.if any | B.if so | C.if ever | D.if not |
________well prepared you are, you still need a lot of luck in mountain climbing.
| A.However | B.Whatever | C.No matter | D.Although |
you may have, you should gather your courage to face the challenge.
| A.However a serious problem | B.What a serious problem |
| C.However serious a problem | D.What serious a problem |
_______ this sentence a second time, the meaning will become clear to you.
| A.If reading | B.When you read | C.Reading | D.Read |