We are sure to enter a better high school ________ we work hard.
—What do you think of the lecture of Li Yang s Crazy English? —I think it's_________,but someone thinks it's much too _______.
---What’s your favorite subject? ---________, because I am interested in numbers.
--Is your hat on the sofa?
I’m _______ thirsty, can you give me _____ water?
Which sign(标志) means “turn left”?