题目内容
Don’t be afraid of asking for help _______ it is needed.
| A．unless | B．though |
| C．although | D．when |
D
解析试题分析：考查连词。A. unless除非；B. though尽管；C. although尽管；D. when当...时候；此处when相当于if，表示条件；句意：如有需要，不要害怕向老师求助。故D正确。
考点：考查连词
---Thank God you’re safe!
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| A．in time | B．in case | C．in need | D．in vain |
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| A．once | B．until |
| C．unless | D．if |
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| A．As | B．Now that |
| C．Although | D．However |
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| A．when | B．if |
| C．unless | D．while |
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| A．For the first time | B．At first |
| C．The first time | D．It was the first time |
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| A．where | B．when |
| C．how | D．why |
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| A．when | B．unless |
| C．even though | D．until |
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