Complete the text using the prepositions at, for, through, after, up, in. Was your guess right?
Doctors say that happiness is the secret of good health. This means we all have to look ... ourselves. When we lose some things, we shouldnt get angry but just look ... them trying to find them. If we dont understand some words people use, we should look them ... ... the encyclopaedias and we shouldnt get angry either. We should also remember that praise is good for us too. look ... your friend and say how wonderful he is. Then he will believe he a good child. She will certainly be one. So remember, if we want to be happy and healthy, we need people around us who keep telling us how wonderful we are.

Вот как можно правильно заполнить текст с предлогами:

Doctors say that happiness is the secret of good health. This means we all have to look after ourselves. When we lose some things, we shouldn’t get angry but just look for them, trying to find them. If we don’t understand some words people use, we should look them up in the encyclopaedias and we shouldn’t get angry either. We should also remember that praise is good for us too. Look at your friend and say how wonderful he is. Then he will believe he is a good child. She will certainly be one.

Предлоги в этих местах делают смысл фраз естественным:

• look after — заботиться о ком-то или о себе.

• look for — искать что-то потерянное.

• look up in — искать информацию в источнике, здесь — в энциклопедии.

• look at — обратить внимание на кого-то, хвалить.

Все вставленные предлоги соответствуют правильному английскому употреблению в контексте текста.