(1) 在考试中保持冷静很重要
it‘s important to keep calm in the exam.
(2) 每天做运动可保持身体健康。
doing exercise every day can keep us healthy.
(3) 请保持阅览室整洁。
please keep the classroom clean.
(4) 请你把门敞开着好吗?
could you please keep the door open?
(5) 这本书使学英语简单了。
this book makes it easy to learn english.
(6) 音乐可以使我们很放松。
music can make us relaxed.
(7) 他送了一件礼物给妈妈。这使他的妈妈很高兴。
he sent his mother a gift. this made his mother very happy.
(8) 这可以让老师和学生都很高兴
this can make both the teacher and the students happy.