Вставьте in, at, onJetlag When you travel (1) .... the other side of the world, jet lag is a real problem. You find yourself away (2) .... the middle of the night and you feel like going to bed (3) .... the morning, just when everyone around you ius getting up. Jetlag happens when you go (4) .... a country where the time is very different. For example, you might leave London (5) ..... midday amd fly (6) .... Los Angeles. The flight takes about eleven hours, so when you arrive (7) .... Los Angeles airpot, your body thinks youre there (8) .... 3 pm local time. So, (10) midnight Los Angeles time, your body (which still thinks its (11) .... London) says its 8 am. It takes a few days for your body clock to change.

When you travel (1) ..to.. the other side of theworld, jet lag is a real problem. You find yourself awake (2) ..in.. themiddle of the night and you feel like going to bed (3) ..in.. the morning,just when everyone around you ius getting up.
Jetlag happens whenyou go (4) ..to.. a country where the time is very different. For example,you might leave London (5) ...at.. midday amd fly (6) ..to.. Los Angeles.The flight takes about eleven hours, so when you arrive (7) .at... LosAngeles airpot, your body thinks youre there (8) ..at.. 3 pm local time.So, (10) at midnight Los Angeles time, your body (which still thinks its(11) .in... London) says its 8 am. It takes a few days for your bodyclock to change.