— Where is my pen ?  Have you seen ____?— Oh, sorry.  I have taken ____ by mistake.

--Which of these two sweaters will you take?--I’ll take     . They look nearly the same, and I just need one.

— What about this dress? — I don’t like the colour. Please show me ______ one.

— ______ did you spend your summer vacation last year?— In England. 

Tom and I went boating yesterday. _______ had a good time.

 This book doesn’t belong to _____.  It is so interesting that I want to buy one for____.

Many students have interests. Some interests are relaxing and   are creative. 

   collection can help   make money. 

 —Do you know __________ this dictionary belongs to? —Let me see. Oh, it’s __________. 

Don’t worry about me. I’m old enough to think for __________.

—Where is my pen? —Oh, sorry, I have taken________ by mistake.

--- What’s wrong with my son, doctor? --- ____________ serious, just a slight cold. He’d better drink some water.

I found there was only one copy of “Bighead Son and Small-head Father” on the bookshelf, so I decided to buy _______ at once.

This morning our head teacher came to school _________ than ________ student in our class.

Grades are really important, but they’re not ______ to us students. 

Tom has to leave now _________ he can catch the train.

— Would you like tea or water?— _________ is OK. I really don't mind.

Tom is expecting a pet for long, but his daddy has no time to buy _________ for him.

Liu Xiang has failed over and over again in the past years. And that's _________ he succeeds.

— Whose shirt is this? Is it Tom's? — No, it isn't. _______ is white.