We do not want a trade war，but we are not afraid of fighting _____．（　　）

A．itB．oneC．thatD．this

Have you paid the _____？

Yes．It's ten more dollars this month．（　　）

A．billB．priceC．valueD．menu

Are you feeling any better now？

No．I have taken some medicine，but it just doesn't _____．（　　）

A．useB．careC．helpD．fit

You _____ be very tired with the long drive．Let's stop to have a rest．（　　）

A．mustB．canC．shallD．need

Just be _____；you can't lose your weight in a day．（　　）

A．carefulB．patientC．honestD．brave