Take a map of New York with you while traveling ________ you have a guide or know the city well.
| A．since | B．if | C． unless | D．because |
相关试题
—Thank you for your help. —_____________.
| A．Here you are. | B．Excuse me. |
| C．I see. | D．You’re welcome. |
—Is this ______ pencil?—No, it’s not ______.
| A．you, his | B．my, you |
| C．your, she | D．your, mine |
—.Where are the baseballs?
—They are _______.
| A．on the table | B．at the table |
| C．under the table | D．in the table |
Mary’s room is big ______ tidy, ______ Bob’s room isn’t tidy.
| A．and, and | B．but, but |
| C．and, but | D．but, and |
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