Через первую трубу бассейна наполняется за 20 часов,а через вторую за 30 часов.За сколько часов наполнится бассейн через обе эти трубы?

EX-9p

read these sentences carefully. some are correct, but some need "the". correct the sentences where necessary.

1.we visited canada and united states- wrong.The united states.

2.Africa is much larger than europe- correct.

3.South of englandis warmer than north.________________

4.In spain we swam in mediterranean.____________________

5.Tom has visited most countries in western europe.______________

6.My friend used to work as a reporter in middle east.__________

7.Next year we are going skiing in swiss alps._____________

8.Malta has been a republic since 1974._________

9.Nile in longest river in africa._______________

10.The UK consists of Great Britain and Northern Ireland._______________

Ex-7p

match the words in  column  A with the words in column B

A

to check in

a trolley

travelling ligth

to board

to feel airsick

*****************

B

sick because of the movement of the plane

to get into a bus, plane

the place at the airport where you report your arrival

a small box on wheels used to carry heavy things

travrlling without much luggage