17.appropriate adj.适当的→_______________ adv适当地
同义词:proper adj. 适当的,相当的,→______________ adv.适当地;
18.exchange n.交换交流
→exchange sth._______ sth.把.....换成...
→exchange sth._______ sb与某人交换某物;
→in ______________(for sth.)作为交换
→change sth.for sth.以.....换...
19. ____________ n.黑暗;漆黑→dark adj.黑暗的;n.黑暗;
→_____________vt.& vi. (使)变暗;(使)模糊
kind → __________ n.
happy → __________ n.
20.warmth n.暖和→____________adj.暖和的vt.使温暖
→ __________ adv.温暖地→warmth= __________ n.温暖
grow → __________ n.
21.try out测试;试验→try __________ sth.努力、试图做某事
→try __________ sth.尝试做某事→try one's best __________ sth.尽力做某事
→try sth. ____试穿
22.pianist n.钢琴家→__________n.钢琴
__________n.小提琴家→violin n.小提琴→play _______violin 拉小提琴
常见的以-ist为后缀的名词有:
__________ n化学家 __________ n.艺术家 __________ n.生物学家
__________ n.物理学家 __________ n.钢琴家 __________ n.牙科医生
__________ n.记者
23.let ________发出;放走;泄密
→let sb./sth.be不打扰或不干涉某人或某事
→let me_____让我想想→let _____更不用说
→let sb._____使某人失望 →let sb._____放过某人免受某事之累