内容正文:
12 __________(一群) students are cleaning the classroom.
They study __________(分组).
13
14 ________________ in the morning早上六点半
(1)
one ______(hour) and a half = one and a half ______(hour)
半个小时__________ hour 他的半个右臂____________ right arm
(2)
在过去的三年中________________
15 __________ ______ three in the afternoon下午三点十五
__________ ______ seven in the evening 晚上六点四十五
About three quarters of the earth ______(be) covered with water.
Three quarters of our classmates ______(be) good at basketball.
16 The boy is good at ______(跑步). He ______(跑步) with other ______(跑步者) in the park every morning.
17 I am busy doing ______ homework.
I often help my mother do ______ housework.
18
We must ________(clean) our classroom every day and keep our classroom ________(clean) and tidy.
19 散步________________
She ________________(步行上学) every day. =
She ____________________ every day.
20 我没有很多时间吃早餐,因此我通常吃得非常快。
I don’t _____ _____ time _____ _____, so I _____ _____ very _____.
(1) She plays ping-pong ______(很;非