题文
The children in poor areas can’t afford their education. We should think ________ to help them.
| A．what can we do | B．what we can do |
| C．how can we do | D．how we can do |
The children in poor areas can’t afford their education. We should think ________ to help them.
| A．what can we do | B．what we can do |
| C．how can we do | D．how we can do |
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