—What’s the matter with you? You look so worried.
-- I don’t know ___________ the problem.
| A．what to solve | B．how to solve | C．to solve what | D．how can I |
—Where is Sally from , Mike ? —
| A．I am from China. |
| B．She is from America |
| C．He is from England |
| D．You are from Japan |
He is ___________ to go to school now.
| A．young enough | B．enough young |
| C．enough old | D．old enough |
---Would you like some rice?
--- ________, I’d rather have a piece of bread.
| A．Yes, please | B．No problem | C．That’s Ok | D．No, thanks |
If it ________ fine tomorrow, I will go hiking with you.
| A．is | B．was | C．will be | D．isn’t |
—May I ask you _____ the writer? —Sorry. I don’t know him. You can ask Sam ______ help.
| A．about; for | B．about; about | C．for; for | D．for; about |