If you want to (1)________ (打开) the MP4, please (2)______ (检查) the power(电源) first. Then (3)______ (选择) the “open” symbol and (4)______ (按下) it down. If you want to (5)__________ (重播), press the grey button. If you want to download more music, please (6)______ the MP4 (7)______ (与……相连接) your computer. Finally, don’t forget to (8)_______________ (关掉它) when you don’t listen to it.

5. see / snake / feel / terrible

　　　 If I _____________, I _______________.

4. hurt / take / hospital

　　　 If her chest ____________, _____________.

3. stay / alone / feel / lonely

　　　 If he ______________, he ______________.

2. feed / birds / happy

　　　 If you _____________, they _____________.

1. hungry / eat / apple

　　　 If you ____________, _______________.

5. If he ______ (live) in London, he _________ (visit) the Big Ben.

4. Tigers __________ (catch) their own food if they live in the wild.

3. If it ______ (snow), my father __________ (take) me to school in his car.

2. We __________ (not have) our sports meeting if it ______ (not be) fine.