He worked late into the night yesterday. That’s ___ he couldn’t get up on time this morning

Do you think I should fly directly to Australia or break my journey in Hong Kong —__________ spend a few days in Hong Kong.

Did you go to the cinema last night— No, I didn’t. _________, I just stayed at home and listened to music.

This sweater is too big. Do you have a ___________ one

When you read the book, you’d better make a mark _____ you have any questions.