---________ has your English teacher been to England?
---Three times.
| A．How often | B．How soon |
| C．How long | D．How many times |
—He plays basketball so well! Who taught _______?
—He learnt it by _______.
A. him; him
B. himself; him
C. him; himself
Watching TV too much ________bad for you eyes.
A. are B. was C. is
Mr. Wang often says to her child, “You _______ play with fire(火). It’s dangerous.”
A. mustn’t
B. had better
C. needn’t
—Could you please ________us some stories?—OK.
A. say B. talk C. tell
My uncle says that it’s his duty ________the patients.
A. save B. to save C. Saving