377. be busy wit h her hobby忙于她的爱好
378. be born with天生具有
379. be bad for our health对我们的健康有害
380. be ang y with Tom生汤姆的气
381. be abse nt from a meeting缺席一场会议
382. be able to speak English能够说英语
383. basic skills基本技能
384. at /go /get home在/回/到家
385. at the speed of.. El的速度
386. at the same time
387. at the moment此刻;当前
388. at the end of...在.末尾
389. at the bot ttom of....在。的底部
390. at present现在
391. at once马上;立刻
392. at night在夜里,在晚上
393. at mos最多
394. at birth出生时
395. at a h ligh/low price 以高/低价;花大/小价钱
396. ask the teacher for help向老师求助
397. ask the students not to play with their
phon es要求学生们不要玩手机
398. as usual 象往常一样
399. as soon as就。
400. as soon as就
401. as soon as possible尽快
402. as a result结果
403. arrive in/at到达(大地方)/(小地方)
404. around I the world世界各地
405. arm in arm臂挽臂地
406. allow children to play outside允许孩子
们出去玩
407. all of a sudden突然
408. all in all
409. agree to have a picni ic同意去野餐
410. advise si tudents to read books建议学生读书
411. achieve great success取得巨大的成功
412. above a 11首先;最首要的是
413. a pie ce of news一条消息:一则新闻
414. a peric od of time一段时间
415. a part -time job一份兼职工作
416. a pair of...一双/对/副,
417. a pair of shoes一双鞋
418. a pai ir of chopsticks一双筷子
419. A m niss is as good as a mile.失之毫厘,谬以千里。
420. a little bit有点儿:稍微
421. a large number of许多
422. a gr reat /good deal of大量(的)
423. a few一些;几个
424. a couple of两个:一对:几个
425. (be) of medium build中等身材