Match the two halves of these sentences. 1) He caught a cold a) all day. 2) She lias been interested , in maths b) before.

 1) He caught a cold when he had to wait for the bus.

2) She has been interested in Maths since she began to study it.

3) They went out a few minutes ago.

4) He has been in love with her for two years.

5) The Nobel Fund was set up in the first half of the 20th century. 

6) He has been engaged at the plant since last year.

7) He hasn\'t been abroad before.

8) I\'ve visited seven countries up to now.

9) Mary and Nick have never quarrelled like this.

10) My son started school when he was six.