Choose the right item to complete the sentences. I … stop smoking. (it’s obligatory) a) must b) have to 2. We … go to

I. 1. a 2. b 3. a 4.b 5.b II. 1. to 2. in 3. with 4. with/among 5. inIII. 1. was building 2. have hated 3. we have been talking ... did not finish 4. do you have 5. have 6. gave 7. have readIV. who . which . whose. where . whenV. 5 control 6 pilot 7 on 8 see 9 high 10 is 11 in 12 around 13 called 14 blow off the