________twice, the postman refused to deliver our letters ______we chained our dog.
| A．Being bitten …unless | B．Bitten…unless |
| C．Having bitten…if | D．Being bitten…once |
相关试题
The teacher asked a difficult question, but finally Ted _____ a good answer.
| A．came up with | B．put up with | C．caught up with | D．kept up with |
Opportunities are always _______ as long as we use our minds.
| A．available | B．permanent | C．relative | D．stable |
Maggie has been fortunate to find a job she loves and , ______ ,she gets well paid for it.
| A．sooner or later | B．that is | C．what's more | D．as a result |
. If they are interested, we’ll _____ further
discussion.
| A．apply | B．achieve | C．absorb | D．arrange |
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