下列三组大写字母中由两笔写成的是_______组。A. DMW B. PRQ C. ENT
-Do you________your son after school? -No.He comes back home on the school bus.
The thieves ran away when the burglar alarm(防盗警报器)________.
Little Tom________computer games when his mother got home. A.is playing B.plays C.was playing
—Why are you so tired these days? —Well,I have________homework to do.
I________the copy with the original,but there was not much difference.