【1】Not only Jack but also Mike has been to that island.(改为同义句)

_____________ Jack and Mike ____________ been to that island.

【2】The digital camera was so expensive that she had to think about it.(改为同义句)

The digital camera _________ so_________ that she had to think about it

【3】The lady knew something about it only after Mr. Baker told her. ( 改为同义句)

The lady knew __________ about it ____________ Mr. Baker told her.

【4】Are you tired? My mother asked me (合并为一句)

My mother asked me________ I ________ tired

【5】You should speak to the old people politely.(改为被动语态)

The old people politely __________ _________ to politely.