It took us quite a long time to get to the amusement park. It was journey. A. three hour B. a three-hours C. a three-hour D. three hours

It took us quite a long time to get here. It was ________ journey. A: three hour B: a three hour C: a three ­hour D: three hours

According the experts, when headset sound reaches 110 decibcls, it can be used at most for ______. A: one hour B: two hours C: half an hour D: three hours

We only planned the play for an hour, but in the end, we stayed for three hours. A: watch B: watches C: to watch D: watched

He was such a ____ speaker that he held our attention every minute of the three-hour lecture.

The time children spend on TV viewing every day is suggested to be about ________. A: six hours B: eight hours C: three hours D: one hour

ModularP模块的每小时测试速度是（） A: 600tests/hour B: 800tests/hour C: 900tests/hour D: 1000tests/hour E: 1200tests/hour

The emplyees in that company are paid ______. A: by hours B: by hour C: by an hour D: by the hour

I’ll be with you in (). A: one quarter of an hour B: a quarter of one hour C: one quarter of hour D: a quarter of an hour

What has Tom already done A: He arrived here three hours ago. B: He’s been here for half an hour. C: He came here half an hour ago.