3 Add the words in brackets to the sentences. Sometimes you need to join the sentences.
Sometimes you need to change the order of
the sentences.

2 We have Maths. We have English
a (then)
b (after that)
c (after)
3 I have dinner. I play on my computer.
a (then)
b (after that)
c (after)
4 I want to pass my exams. I work hard.
a (so)/ want to pass my exams, so I work hard.
b (because) / work hard because I want to
pass my exams.
5 I help my friend with her English homework.
She isn't very good at English.
a (so)
b (because)
6 I live near my school. I walk to school in the
morning.
a (so)
b (because)

airlinerairliners, or jet-propelled planes, differ from light planes not only in size but also in speed and equipment. they are designed to carry a greater number of people over longer flight without stopping to refuel.a passenger airliner has a comfortable seats with soft carpets, adjustable upholstered safety belts, washrooms, and individual air vents and reading lights. it has a cabin for preparing food. many airlines offer seats, or economy class service, which costs less than first-class travel.the cruising speed, of four-engine airliners range from about 350 mph for propeller-driven planes to more than 500 mph for jet-propelled planes.the crew of an airliner works as a team to make the trip smooth and pleasant. while the passengers take their seats, the pilot or captain, co-pilot, flight engineer, and stewardesses prepare the plane for take-off . the pilot, assisted by the co-pilot, checks the instruments and tests the controls. the flight engineer checks the other mechanical equipment. the stewardesses check the passenger list, make sure that the passengers fasten their belts for safety . later, the stewardesses distribute magazines, serve meals, and do other things to make the passenger enjoyable.