Question

We have been in No. 7 Middle School ____ three years. A. since &nbs...

We have been in No. 7 Middle School ____ three years. A. since B. in C. for

Answer 1

C

本题考察介词的使用。本题的含义为我们在第七中学学习的时间长达3年。For表示达的含义，后跟一段时间，符合题意，而since表示自从的含义，后跟时间点，in后跟时间表示在多久以后，通常用于将来时，故since和in与题意不符，故本题选C。