__ have completed his work; otherwise, he wouldn’t be enjoying himself by the seaside.

It is very important for us parents to be ______ ___in educating children.

26．PE will be part of the high school graduation examinations．______,you will have to be strong and healthy to graduate

Mike, are you familiar ________ this new type of car? Just give me some advice.—Oh, I’m sorryIt is really a new one

The man _____at the meeting yesterday will be our new manager[ ]