His shoes are cheaper than       .

---Why did _____ take Aunt Alice almost an hour to get home ? ---I don’t know . Maybe there was something wrong with her car . 

— _______ can a tiger weigh, do you know? — Yes, I know that a big one can weigh over 300 kilos. 

Can you tell ___ the way to the People’s Hospital(人民医院)? 

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