________ you stepped into the lab with your shoes on? You’re supposed to take them off before you enter it. I told you so!
| A．How come | B．How dare | C．How about | D．How long |
相关试题
Dr. Smith, together with his wife and daughters, _____visit Beijing this summer.
| A．is going to | B．are going to | C．was going to | D．were going to |
What ____ pity that you couldn’t be there to receive _____ prize!
| A．a; a | B．the; a | C．a; the | D．the; the |
Mary and I see each other ________, but not as often as we used to.
| A．sooner or later | B．once in a while | C．in the end | D．more or less |
I was out of town at the time, so I don’t know exactly how it _______.
| A．was happening | B．happened | C．happens | D．has happened |
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