Ex. 51. choose the correct answer: 1. to the radio or can i turn it off? a. do you listen b. are you listening c. you are listening d. you listen 2. what will happen? a. are you thinking b. do you think c. you think 3. what at the weekend? a. did you do b. you did do c. did you 4. while i was working in the garden, my back. a. was hurting b. have hurt c. hurt 5. jane is back home from holiday now. to italy. a. she has gone b. she has been c. she is been 6. it’s the first time he a car. a. has driven b. drove c. drives 7. where have you been? i for you for the last half an hour. a. ‘m looking b. ‘ve been looking c. ‘ve looked 8. it’s ages to the cinema. a. that we don’t go b. that we haven’t gone c. that we didn’t go d. since we went 9. mr. clark in a bank for 15 years. then he gave it up. a. has been working b. has worked c. worked 10. i can’t meet you tomorrow afternoon. i tennis. a. ‘ll play b. ‘m playing c. play