Question

One of our classmates___with us now.( ) A:are singing B:sings C:isn`t singing D:are`t singing

Answer 1

C
考擦谓语动词
1.有now可以确定是现在进行时
2.主语不是classmates这个复数，而是其中之一one of，既然是其中之一，所以是单数
综上：只有C符合题意

Answer 2

one of our classmates sings with us now. ans: B

追问

why???
可加5分

追答

one of << so it means just ONE. so, A, the ans is ARE singing.. so wrong.
D, same, cant use are..
B/C im not really comfirm.. bt bcz using C:is not singing, i think not suitable.
the ans B/C, idk.. bt to me, i choose B la.