507.　 ring up 给某人打电话

506.　 ring sb. (up) 给某人打电话

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

R

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