X.Раскройте скобки, употребляя глаголы в Present Simple или в Present Continuous:
1.Water (to boil) at 100 degrees Celsius.
2.The river (to flow) very fast today.
3.He (to go) for a walk after dinner.
4.Listen! Who (to play) the piano in the next room?
5.They (to read) many books?
6.He (to play) volley-ball well?
7.Take an umbrella! It (to rain).