His younger sister may already be in high school now, in ________ case this picture book is too childish for her.

Simon always feels sure about his own ability, he isso ______

The leaders are discussing the problems ______ on yesterday’ s meeting.

When did the young man save you? —January 1st,2000, the first day of the new century,_______ I can never forget

Imperfect goods are________by our quality control center in case they come into the consuming of the customers.