I really don’t know ______ about it.
| A．what to do | B．how to do | C．to do what | D．how can I do |
.Lucy was afraid ______ out at night, because she was afraid ______ the cats.
| A．of going; to | B．to go; of |
| C．going; of | D．to go; to |
.He raised(举起) one arm and then ________.
| A．another | B．others | C．the other | D． the others |
I’m _________ to hear the ________ news.
| A．excited; excited | B．exciting; exciting |
| C．exciting; excited | D．excited; exciting |
---Do you know ______ I could pass the exam? ----Sorry, I’ve no idea.
| A．that | B．whether | C．what | D．which |
.We often hear him ______ the piano in the afternoon.
| A．plays | B．play | C．playing | D．to play |