I really don’t know_______about it.
| A．what to do | B．how to do | C．to do what | D．how can I do |
Many people in Southwest China are said to have no ______ to safe drinking water last winter.
| A．control | B．access | C．aid | D．opportunity |
You can feel peaceful if you face the world with a ______ heart, and accept who you really are!
| A．grateful | B．flexible |
| C．secure | D．guilty |
—— Sorry, Professor Smith. I didn’t finish the assignment yesterday.
—— Oh, you ________ have done it as yesterday was the deadline.
| A．must | B．mustn’t |
| C．should | D．shouldn’t |
—— I would never trust him again. He let me down.
—— ________.
| A．Nor was I | B．So did I |
| C．Neither would I | D．So would I |
John is the only one of the students in the class that never _______ a mistake even when it is pointed to him.
| A．admit making | B．admits making |
| C．admit to make | D．admits to make |