When do I use full stops and when do I use commas? 句号和逗号的用法 52 When must I use I? I的用法 63 When can I use an apostrophe before s (’s)? 什么时候在-s前面加撇号？7Test 1 84 Do I need a in this sentence? 这句话中需要a吗？105 A or the? a还是the？116 Do I need the in this sentence? 这句话中需要the吗？12Test 2 137 How do I talk about age? 如何表达年龄？158 How do I say the time and the date? 如何表达时间和日期？169 When do I add s to verbs? 动词的一般现在时形式 17Test 3 1810 When do I add ed to verbs? 动词的一般过去时形式 2011 I did or I have done? 一般过去时和现在完成时 2112 For and since for和since的用法 22Test 4 2313 When do I use I am doing? 现在进行时 2514 When do I use I will? will的用法 2615 How do I form questions? 疑问句是如何形成的？ 27Test 5 2816 There and it/they there和it/they 3017 Plural and uncountable nouns名词的复数形式和不可数名词 3118 When do I use much and many? much和many的用法 32Test 6 3319 Like, would like and want like, would like和want 3520 Do or to do? do还是to do？ 3621 When do I use doing after verbs? 哪些动词后面接动词的-ing形式？ 37Test 7 3822 Other, others, another and each other other, others, another和each other 4023 One and ones one和ones 4124 Old, older, the oldest old, older, the oldest 42Test 8 4325 When do I use capital letters with people and places? 45 在什么情况下人名和地名的单词首字母要大写？26 How do I use at and in with places? 46 如何用at和in表示地点？27 How do I use by and in/on with means of transport? 47 如何用by和in/on表示交通方式？Test 9 4828 When do I use at, in and on with time expressions? 50 如何用at, in和on表达时间？29 How do I use from, about and of? 51 from, about和of的用法30 Do I need for in this sentence? 52for的用法Test 10 53Answer key 55
