---What are ____?---They’re birds.A.tha B.this C.these
字母a读音不同的是:
There’s no milk the fridge . A. in B. on C. at
I am home now . A. to B. for C. at
There a pen and twelve books . A. is B. am C. are
there are some birds the tree. A. in B. on C. at