___ by thick bamboo and high forest, the ancient city hadn’t been discovered until the 1990s.
| A．Surrounding | B．Surround | C．Surrounded | D．Having surrounded |
相关试题
We ______ last night, but we went to the concert instead.
| A．must have studied | B．might study |
| C．should have studied | D．would study |
If you are unable to attend the meeting, for __
__ reason, you should inform us immediately.
| A．its | B．which | C．whatever | D．whose |
Whom does the money the government spends ______, the farmers, the workers or the businessmen?
| A．encourage | B．locate | C．benefit | D．treat |
. Several weeks had gone by ________ I realized the painting was missing.
| A．as | B．before | C．since | D．when |
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