一、写出下列动词的过去式
5.learn-learnt/learned
6.read-read
7.begin-begain
8.swim-swam
9.sit-sat
10.sing-sang
11.drink-drank
14.ride-rode
17.make-made
18.wake-woke
21.go-went
30.send-sent
32.hold-held
34.forget-forgot
37.think-thought
38.find-found
41.keep-kept
44.tell-told
45.hurt-hurt
47.lose-lost
二、英汉互译：
52.一个未知数________an unknown number
57.乘坐地铁__________by subway
58.在球场____________at court
59.打扮______________mark
60.一个合适的时间_____ a suitable time
62.return home____________回家
63.book the tickets_______定票
64.at a speed of ________ 以...速度
65.aim at ________________瞄准(指望,目的在于)
66.fall asleep___________入睡,睡着
67.go out________________出去
68.laser torch___________激光手电筒
70.do a survey___________做调查
三、根据英文解释或句子意思猜单词：
71.get away from:__________离开,逃脱
72.make sb stop talking :_______使某人停止讲话
73.at once:___________ 立即
74.attack:____________ 攻击,评击
75.no one see them:_________没人看见他们
76.not safe:___________危险
77.come in sight:_________出现
78.make someone die:________杀死某人,让某人死
79.give an answer (to):_________回答,给予答复
80.believe in someone:___________相信某人