Question

英语选择题、、请说明理由~！

We'll go on a field trip if it _______ this weekend.
A. won't rain B. isn't raining C. doesn't rain D. not rain

Beijing is one of _____ in the world. Millions of visitors come to visit Beijing every year.
A. beautiful cities B. most beautiful city
C. the most beautiful city D. the most beautiful cities

.Jenny goes to school ________ than any other student in her class.
A. early B. earlier C. earliest D. the earliest
请说明理由~！O(∩_∩)O谢谢 好的会追加分~！

Answer 1

C: 语义为如果这个周末（不下雨），我们会去郊游。A为will not 表示会...显然不合句意;B为现在时排除；D缺少助动词；C为一般时态，此举符合if+一般时态，主语 +will...
D:one of (the most beautiful cities)世界最美丽城市之一，显然是很多城市（超过3个），用most最高级（注意此处one of 后必须加the）
B：此句为两者(Jenny和其他学生)进行比较，必须用比较级，所以选earlier（注意其他学生是看成一方，Jenny也为一方，所以只有两方）

Answer 2

C. doesn't rain
D. the most beautiful cities
C. earliest

Answer 3

C if从句中有三种情况 如果主句（或从句）是将来时、祈使句或... 时 对应的从句（或主句）就是一般现在是
D one of 后面跟名词复数 既然用到ONE OF 那么就肯定不是原型 所以选最高级
B 有than表明要用比较级

Answer 4

C 主将从现
D one of +the +最高级+名词复数
B 有than一定是比较级