I don’t know _______________.
| A．how did jack think up the plan. |
| B．Jack how thought up the plan. |
| C．Jack how to think up the plan. |
| D．how Jack thought up the plan. |
相关试题
—Your bedroom is so dirty. Would you please ________,Peter?
—OK, mum. I’ll do it right away.
| A．set it up | B．put it on | C．pick it up | D．clean it up |
We went to the beach last Sunday, and we had great fun _____ volleyball.
| A．play | B．playing | C．played |
D．to play |
—Lily,______ do you study for a math best? —By asking my teacher for help.
| A．how | B．who | C．why | D．what |
—Tom, you look tired this morning. What’s wrong?
—I was so busy that I didn’t go to bed _____ 12 o’clock last night.
| A．until | B．when | C．though | D．unless |
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