We’ll leave for senior high schools soon. It’s really difficult _______ goodbye to our teachers and friends.
| A．to say | B．to speak |
| C．saying | D．speaking |
I think these materials may be of ___________ to your study.
| A．important | B．helpful | C．some help | D．useful |
My father wants me to be a doctor _______an engineer,________I want to be an actor.
| A．or； and | B．and； but |
| C．and； so | D．or； but |
We may meet all kinds of difficulties in the future, but we should be confident enough to___________ any challenge.
| A．put on | B．get on | C．take on | D．try on |
— Our monitor Jack is good at all the subjects, but he never___________ .
— What a modest student!
| A．gets off | B．takes off |
| C．puts off | D．shows off |
—Would you like a cup of coffee or a bottle of juice?—______. I’d like some milk.
| A．Either | B．Both | C．None | D．Neither |