l don't konw ———— ———— get to the post office
the box was so heavy that she coudn't carry it.改为简单句
the box was———— heavy for her carry .
Jim runs fast enough to catch up with Bill改为复合句
Jim runs——fast——he can catch up with Bill.
the man is my brother . he is talking with Mary.合并为一个句子
the man———— ———— talking with Maryis my brother。
the boy knows someone at the party改为否定句
the boy———— ————at the party
the boy knows someone at the party改为否定句
the boy———— ———— _____________ at the party
The boy 【doesn't know anybody 】at the party.
he boy knows someone at the party改为否定句
the boy———— ———— _____________ at the party
does not know anyone
把does not 变成缩写