_______ why she wasted money on a lottery ticket, the poor mother answered, “ A dollar is not too much to pay for 24 hours of hope”.

I’m sorry I ______ my exercise book at home.—Don’t forget _______ it to school tomorrow, please.

______ Chinese international medical relief team wassent to the 70-magnitude quake-hit areas in ______Southwest China’s Sichuanprovince the moment it happened

It is every citizen’s duty to _____ our country when she is attacked by the enemy．

mericans would prefer to keep theirproblems ______ themselves, and solve their problems ______ themselves.