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【简答题】
Read the sentences. The subject in each clause is underlined. Circle the verb that goes with each subject. If the subject has a verb, put a dash (-) in the space. If the verb is missing, add the verb in the correct form. What 4. _______ are flash cards , and how do you 5. ________ u se them?
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反馈参考答案：
举一反三
【单选题】While browsing, the mind is ________________; while searching, it is __________________.
A.
exploratory and focused; curious and purposeful
B.
exploratory and curious; focused and purposeful
C.
curious and focused; exploratory and purposeful
D.
curious and purposeful; exploratory and focused
【单选题】While browsing, the mind is _________ and _________; while searching, it is ________ and _______.
A.
exploratory and focused; curious and purposeful
B.
exploratory and curious; focused and purposeful
C.
curious and focused; exploratory and purposeful
D.
curious and purposeful; exploratory and focused
【简答题】While browsing, the mind is _____ and _____ ; while searching, it is _______ and ________ .
【简答题】Until yesterday, his family (not hear) from him for three years.A. hadn’t heard
【单选题】Until yesterday, his homework had not________finished.
A.
being
B.
be
C.
been
D.
to be
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