题文
The famous singer, Cong Fei, did all he could ____ the children who lose the chance to school.
| A．and help | B．help | C．to helping | D．to help |
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The famous singer, Cong Fei, did all he could ____ the children who lose the chance to school.
| A．and help | B．help | C．to helping | D．to help |
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