1.
You must practise speaking English.
你必须练习说英语。
2.
You must practise speaking English more.
你必须练习多说一些英语。
3.
You need to be fluent in English and be good at using computers.
你必须能说流利的英语，熟练操作电脑。
4.
You must swot up your English.
你必须努力学习英语。
5.
You should avail yourself of every opportunity to practise your English.
你必须利用一切机会练英语。
6.
She thinks it necessary to practice speaking English more often.
她认为有必要更经常练习说英语。
7.
You must work hard， otherwise you will not learnEnglish well.
你必须努力学习，否则就学不好英语。
8.
If you want to go to the country where English is spoken, you must have a better command of English.
如果你想到说英语的国家去，你必须精通英语。
9.
You should avail yourself of every opportunity to practise speaking English.
你应该利用一切机会练习说英语。
10.
He practises speaking English regularly .
他有恒地练习说英语。
11.
To speak English well, you must move your mouth and murmur to yourself all the time.
如果想要说好英语，你必须开口，并时刻自言自语。
12.
To overcome these two problems, the students must read extensively, speak and read more and grasp language rules of English proficiently.
克服两大障碍必须广泛阅读，多说多练，并应认真学好英语语法，熟练掌握英语语言规则。
13.
You must hand in your exercise book over class.
你们必须在课后把练习本交上来。
14.
You have to practice one year before you really know the ropes.
你必须练习—年后，才会真正懂得诀窍。
15.
You must practice each day for a minimum of 30 minutes.
你每天必须最少练习三十分钟。
16.
Shall we go over your English exercises together?
咱们一起复习你的英语练习好吗？
17.
T： First of all, you have to review the1000 English words that make up the junior high school English curriculum.
老师：首先，你必须复习国中英语课程中出现的一千个字汇。
18.
A tape recorder can help you practice your oral English.
录音机能帮助你练习英语口语。