You seem to be an actor.____ . I have played many parts in alot of films.

Don’t arrive late __________class, Tony.— Sorry, Ms Wang.

We are proud of our hometown,which is in coal and natural crystal（水晶石）. A．abundant B．universalC．remote D．autonomous

Bicycling is good exercise, ________, it does not pollute the air [ ]

.The Professor in the end decided to givethe prize to____he believed had a good sense of English.