He didn’t know _______ next, so he asked his teacher for help.
| A．how to do | B．what to do it |
| C．how to do with it | D．what to do |
相关试题
It’s got eight million people.句中It's是以下哪种形式的缩写:
A. It’s=" It" is
B. It=" It" has
C. It’s=" It" was
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