Jack used to be lazy, but now he is the top student in your class. Can you tell me________?
Kate’s dad is getting old.She will go back home to see him________it is convenient.
The teachers encourage their students to________the problems by themselves,and in this way students can enjoy success. A.give up B.work out C.look through
Your article is________better than mine.
—I’m looking forward to________my parents soon.What about you? —Me too. A.seeing B.see C.saw
—Remember________the door when you leave the room. —OK,I will.