He would have finished his college education，but he had to________and find a job to support his family.[ ]

Could I speak to ____is in charge of International Sales ,please ?

How do you usually go to schoolI usually go to school ____ a bus.

Do you want to watch this or thenews— _________ . It’s up to you.

Do you like to buy the product an advertisement ______ on TV?—Not really.I think it’s better to look before we leap.