My grandfather used to be busy. But now he's ________， so he has plenty of time to exercise.
A.hard B.calm C.free D.easy
Mandy finished all the work ahead of time. Now she can do something to ________ herself.
A.worry B.shock C.relax D.ask
He has taught in a poor and far________ for 30 years, but he doesn't feel bored at all.
A.village B.bank C.city D.airport
Mom thinks air travel has two advantages. It can be ________ and save a lot of time.
A.reusable B.valuable C.comfortable D.available
(2018沧州市南皮县一模)The speech is very ________. So you'd better not miss it.
A.difficult B.similar C.important D.careful
(2018保定莲池区二模)Young children should ________ writing articles during the summer vacation. Or they will forget some words.
A.support B.praise C.discuss D.practice
