Hoàn thành các câu sau

1.please wake me...... at 5 and we will leave at 6 in the morning 
a.up    b.on    c.over    d.in
2.if you want to...... weight,you should follow-fat diet
a.lose     b.gain     c.put on     d.take
3.junk foods are high in fat,sodium and sugar,which can lead to.....
a.fever    b.allergy    c.obesity   d.take