1. don’t know
2. was invited
3. her
4. happens
5. won’t accept
6. twentieth
7. have ordered
8. was feeling
1. Yes, it is necessary for everyone to be literate person.
2. I think these two subjects should be together.
3. To practise using new worlds is undoubtedly better.
4. Its not difficult to me to learn them.
5. Because not knowing idioms you can have difficulty in communicating.
6. Because if you are using the uncorrect intonation, people may perceive your words wrong.
7. Well, this is useful if you have not heard the whole phrase to understand that saying a person had in mind.
8. You can daily communicate with foreigners, for example, in Skype.
9. In my opinion, the most difficult - the study of verb forms.
10. In all likelihood, this expression means the language which society communicates at.
Having started the engine she carefully pushed the gas
1) takes
2) are doing
3) are learning
4) open
5) will come
6) reads
7) cleans
8) is writing
9) speaks
10) are working
11) played
12) started
13) liked
14) finished
15) came