Even if they are on sale, these refrigerators are equal in price to, if not more expensive than, _____ at the other store.

 —Did ________ of your parents come to attend the opening ceremony? — ________ of them came. 

We found______ impossible to finish the work on time.

一Which T—shirt do you like best?一     ．They are both out of fashion and expensive．

The primate brain is larger than　　of other animals.