It is easy for people to ________ the bad habits such as smoking and drinking, which are not so easy to get rid of.

Have you handed in your schoolwork yet?—Yes,I have.I guess it _______ now

The two sides have finally___________, though some small differences still exist.

Stephen Hawking has expressed his opinion ___ humans mightone day be able to make spaceships capable of such speeds that time on boardwould slow down

not like Mr．Smith, who is D．treated