с заданием Word formation. Complete each phrase using a form of the word in bold.
1. a great achieve.
2. highlybenefit.
3. aperson create.
4. a recentdevelop.
5. an importantdiscover.
6. a majorin something improve.
7. a usefulinvent.
8. bring out a newproduce.
9. afact science.
10. ato a problem solve.
Task III. Choose the correct verbs to complete the sentences.
1. Do you think we should/must take a gift for the hostess?
2. You mustn`t/needn`t eat noisily.
3. We must /are supposed to arrive by 10 o`clock, but we can be a bit late.
4. Guests don`t have to/shouldn`t check out till 12:00.
5. You are supposed to/must take off your shoes, but it doesn`t matter if you foget.
6. You ought to/don`t need to try the local dishes.