B.根据句意，用括号内所给单词的适当形式填空。
【小题1】Look out！The car is ______（complete）out of control.
【小题2】Doctors are ________（sure）about the cause of the disease，so it will be a long time before they can cure
【小题3】The woman looks _____（satisfy）while watching her son run around！
【小题4】Apple Corporation's ______（produce）are very popular all over the world.
【小题5】My grandmother is 92and has become very ________（forget）and confused.