A cough is usually nothing to worry about unless it lasts for tendays____．[

题型：同步题难度：来源：

A cough is usually nothing to worry about unless it lasts for tendays____．[     ]
A. or more
B. instead
C. at most
D. only

答案

举一反三

A good idea occurred to Mr. Baker________ to his invention recently. [ ]
A. while applying
B. while applied
C. while he was applying himself
D. while applying himself

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Winning the bid to host the Olympic Games means not only a great honor to a nation ________.    [     ]
A. but a great responsibility
B. but as well as a great responsibility
C. as well as a great responsibility
D. but a great responsibility as well

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He failed in the English speech contest, ________ he did his best to prepare for it.[     ]
A. though
B. but
C. because
D. so

题型：河北省模拟题难度：| 查看答案

Mary made coffee ________ her guests were finishing their meal．[     ]
A．so that
B．although
C．while
D．as if

题型：江苏模拟题难度：| 查看答案

Find ways to praise your children often，________you’ll find they will open their hearts to you.[ ]

A．till
B．or
C．and
D．but

题型：江苏模拟题难度：| 查看答案