It’s kind _______ you to help me with my Math. Now I think it's easy _______ me to learn Math well.
| A．for , to | B．of , for | C．to , of | D．for, for |
My physics teacher told us light ______ faster than sound.
A. travel B. travels C. traveled
Uncle John is getting old and he has trouble ______ what others say to him.
A. hearing B. hear C. to hear
Our school is having a sports meeting. Someone ______ here already.
A. arrived B. have arrived C. has arrived
—Would you like ______ a movie with us tonight?
—Sorry, I have to help my mother do some chores.
A. see B. to see C. seeing
The final exam is coming. Our teachers tell us _____ time.
A. not to waste B. not waste C. don’t waste