[单选题]— I like riding fast. It’s very exciting. — Oh! You mustn’t do it like that, ( ) it may have an accident.

[单选题]Nobody can go back and start a new beginning, ( ) anyone can start now and make a new ending.

[单选题]He’s at home these days. You may come ( ) today ( ) tomorrow.

[单选题]( ) the students ( ) their teacher is going to watch the football match on TV.

[单选题]— How do you like this skirt? — It’s beautiful and it fits me well, ( ) I like it very much.

[单选题]—What do you think of the book about Harry Potter? — I like it very much. It’s ( ) interesting ( ) exciting.

[单选题]The changes in the city will cost quite a lot, ( ) they will save us money in the long run.

[单选题]Be quick, ( ) we’ll be late for school.

[单选题]Don’t give up regardless of difficulty and failure, ( ) you’ll never achieve your goals.

[单选题]He always keeps an eye on shortcomings of his brother’s ( ) refusing to admit his own mistakes.

[单选题]I think Tom will make a good monitor, ( ) I’d like to vote for him.

[单选题]They hurried to the train station, ( ) it was too late. They had to wait another ten minutes.

[单选题]Some animals carry seeds from one place to another, ( ) plants can spread to new places.

[单选题]( ) one will arrive after the show nor leave during the break time.

[单选题]Forests help to keep water from running away, ( ) drought does not often happen.