2) They decided to put him under observation.
他们决定监视他。
3) They decided to inform against him.
他们决定告发他。
4) They determined on an early start (to start early).
他们决定早动身。
5) They have come to a decision.
他们已作出决定。
6) What do they decide to do ?
他们决定干什么?
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。
参考词条