Question

13 I couldn’t concentrate because my colleagues _____ a noise.
A did make B were making C make
15 The food was awful because he _____ too much salt in it.
A ’d put B was putting C hadn’t put
16 They _____ golf when it started to rain.
A were playing B played C used to play

Answer 1

Explicación:

13. B

15. C

16. A