province in China was attacked bysuch a terrible drought this early spring ____________few people hadexperienced before, ____________ made us worry about global climatechanges.

Be careful that he was in ________ mood (情绪) today.He may be angry with you.

____________ great fun we had in the park !

(2012·四川)—Goodbye，John.Come back again sometime.—Sure，________.

Excuse me, would you please tell me _________ buy a digital camera