As the _______ grows larger, the world itself seems to be smaller.
A. population B. pollution C. problem D. province
--- Will Jim go hiking with us this weekend?
--- Maybe not. He _______ to visit his grandpa in the country.
A. will decide B. decides C. has decided D. decided
There’s still an hour left, you _____ go in a hurry.
A. must B. needn’t C. can D. mustn’t
---Have you seen Bill recently?
--- Oh, no! Nobody knows ______ he is! Everyone is looking for him.
A. where B. what C. who D. how
---Do you still remember the first day we met at school?
--- Very clear _____ it was yesterday.
A. as long as B. as if C. as soon as D. as a result
--- What are your plans for the coming weekend?
--- I have to ______________ at home. You know there will be an important exam next week.
A. look after my sister B. go over my lessons
C. help with the housework D. turn on the radio
