10.rehearsal n. 预演,排练
11.reinforce v. 增援,加强
例句10.We'll reinforce them with iron straps.
例句11.Let's reinforce good behavior.
12.reject v. 拒绝,谢绝,驳回
rejection n. 拒绝,抵制;
Rejoice v. 欣喜,高兴,快乐