Fill in the blanks with these words: although, and, because, but, or, since, so, unless, until, when.

• 1 Things were different _____ I was young.

• 2 I do it _____ I like it.

• 3 Let us wait here _____ the rain stops.

• 4 You cannot be a lawyer  _____ you have a law degree.

• 5 That was years _____ years ago.

• 6 She has not called _____ she left last week.

• 7 I saw him leaving an hour _____ two ago.

• 8 This is an expensive _____ very useful book.

• 9 We were getting tired _____ we stopped for a rest.

• 10 He was angry _____ he heard when happened.

• 11 Walk quickly _____ you will be late.

• 12 He had to retire _____ of ill health.

• 13 We will go swimming next Sunday _____ it's raining.

• 14 I heard a noise _____ I turned the light on.

• 15 Would you like a coffee _____ tea?

• 16 Do you know _____ she will arrive?

• 17 _____ the car is old it still runs well.

• 18 Do you want a pen _____ a bit of paper?

• 19 I would like to go _____ I am too busy.

• 20 She will die _____ the doctors operate immediately.