单项选择 适中0.65 引用3 组卷158
Sam spends two hours _______ his homework every day.
| A．to do | B．doing | C．do |
14-15八年级上·福建宁德·期中
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—Mr Ding, I have some trouble ________ the passage!
—You had better ________ it three or four times at least!
—You had better ________ it three or four times at least!
| A．to understand, read | B．understanding, to read |
| C．understanding, read | D．to understand, to read |
I think English learners should pay more attention ________ grammar.
| A．learning | B．to learning | C．to learn |
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