【推荐1】—Andy, you look so tired! What’s up?
—I ________ for my report all night. Luckily, I’ve finished it!

A．prepare

B．was preparing

C．am preparing

D．will prepare

【推荐2】—What will you do after graduating from college?
—Pardon me? I was thinking about something else while you _________.

A．talked

B．talk

C．are talking

D．were talking

【推荐3】—Why do children hang stockings over the fireplace for presents?
—As the story goes, to help a poor family, Father Christmas threw a small bag of gold down the chimney and it fell into a stocking that ______ up to dry over the fireplace.

A．hung

B．had hung

C．was hanging

D．was hanged

【推荐1】While I _______ down the street, I _______ my classmates.

A．was walking; met	B．walked; met
C．was walking; was meeting	D．walked; was meeting

【推荐2】Mary made coffee ________ her guests were finishing their meal .

A．so that	B．although
C．while	D．as if

【推荐3】— Remember to keep the dog on a leash（狗链）_______ you take it for a walk!
— Sure. I won’t let it hurt people.

A．while

B．since

C．so that