_____ do you visit your grandparents， Timmy？
Once a week．（ ）
A．How manyB．How longC．How muchD．How often
相关试题
Look at the picture on the right! She is going_____．（ ）
A．into the library
B．out of the post office
C．into the supermarket
D．out of the bank
In every____there has to be some give﹣and﹣take．（ ）
A．friendshipB．instrumentC．attentionD．blackboard
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