—What do you think of the two backpacks? —______ of them are very nice.

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

 --- How does he go to Chong Qing? ---________________.

--Who is that woman?  --She is ______ mother. 

---Would your parents like to go to Taiwan for a vacation with you? ---They’d love to, but ______of them has enough time .