It’s not __ good idea to drivefor four hours without _ break.

I am afraid to ask questions because of my poor ______.—You’d better practice speaking more.

es being able to walk on for three days without drinking, camels can also live for a long time ______ small quantities of food.

Many Chinese universities provide scholarships for students ________financial aid[ ]

If you see the traffic accident on the way, youshould call ___________ right away.