第三题为什么是is having而不是are having呢?
One of the twins ( ) supper.A are having B is having C is ha
Are you having
We are having
we are having fun
Are we having lunch?
The Browns is having supper now和The Browns are having supper
My family ___ supper now.A.are having B.is having C.were hav
第五小题为什么是选C而不是选A呢?
The Greens ----having dinners.A,is B,are
It is m____.The students are having lunch at school.
为什么是we were having breakfast, 而不是we are eatting breakfast.
the children are having now!