lways seems so confident, but ________ he’sextremely shy.

He’s never stolen anything before, _______ he— ________. It’s his third time to be taken to the police station.

_____late watching TV when he was a student, but now he ________to bed early.

．You should take __________ measures to avoid danger when doing exercise.

. If plants from one habit were moved tothe other type of habit, they changed their appearance and _____ the newenvironment.