---Jackie Chan donated _______ dollars to charity.. ---He is an example to us all.
I think _______ necessary for you _______ breakfast.
—Wang Yi plays basketball so well! Who taught _______? —He learnt it by _______.
—I have a toothache. —You should _______.
---Where is your tape player? ---___________________.
I have__________ classes this morning. The ___________ class is English.