1) He chose her as his assistant.
他选她作助理。
2) He should have helped her.
他理应帮助她。
3) She chose him for her husband.
她选他为夫。
4) She assists him in his work.
她帮他工作。
5) He helped her in mathematics.
他帮助她学数学。
6) She assisted him in his experiments.
她协助他做实验。
补充资料：他们
1.代词。称自己和对方以外的若干人。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
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