You have a big mouth, Li Fei. You ________ have told everybody the secret.
| A．can't | B．mustn't | C．shouldn't | D．mightn't |
Hearing the dog barking fiercely, away __________.
| A．fleeing the thief | B．was fleeing the thief |
| C．the thief was fleeing | D．fled the thief |
We were all __________ to learn that the hero was a child of only six years old.
| A．tired | B．concerned | C．determined | D．amazed |
English is a language shared by several diverse cultures, each of __________ uses it somewhat differently.
| A．which | B．what | C．them | D．those |
Many young people in the West are expected to leave __________ could be life's most important decision—marriage—almost entirely up to luck.
| A．as | B．that | C．which | D．what |
My chest __________ when I make a deep breath, doctor.
| A．harms | B．wounds | C．hurts | D．injures |