题目内容：

（1）A group of students () coming this afternoon 括号里填is还是are?
（2）What's the ----- idea 划线处填main,mainly还是really?
（3）My friends will ------- at ten pm.划线处填arrive,get,还是reach?

优质解答

is：从SAT角度来说.
main
arrive
如有不懂可以继续追问我~