505.　 right away / now 立刻，马上

504.　 remind sb. that.. 提醒某人..

503.　 remind sb. of sth. 使某人想起事

502.　 prefer sb. to do sth.宁愿人做某事

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501.　 prefer to do.…rather than do 宁愿而不愿

500.　 prefer … to … 比起...来更喜欢..

499.　 prefer doing sth. 宁愿做某事

498.　 provide sb. with sth.向某人提供某物

497.　 promise to do sth. 答应做某事

496.　 pull out of 从….拉出来