It's 7 o'clock now. Tom dinner at home. [ ]
A. is having
B. has
C. have
D. having
A
钱塘江从北源头到河口,分别称为新安江(兰江)、()、钱塘江。
A.瓯江
B.富春江
C.金华江
D.甬江
一批作业是指什么?