1.Is the earth round ?The little boy asked.(改為賓語從句)
The little boy asked(if)the earth (is)round.
2.He likes the book.So does she.(合并為一句)
(Bith)he (and)she(like) the book.
3.Let's hurry ,or we'll be late.(改為復(fù)合句)
(If)we (don't)hurry ,we (would)(be)late.
4.They couldn't catch the train because of the heavy traffic.(保持句意不變)
They heavy traffic(stoped)them (to)the train. (不太確定)
5.My brother has been away from home for two days.（保持句意不變)
My brother (left)home two days (ago).He hasn't come back home yet.