1,他们从四点开始就一直打网球.They_____________tennis since 4:00.2,他今天上午做了三小时的家庭作业.He________this morning.3,自从我五岁起就一直学习英语.I have been studying English_____________.4,到现在为止

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1,他们从四点开始就一直打网球.They_____________tennissince4:00.2,他今天上午做了三小时的家庭作业.He________thismorning.3,自从我五岁起就一直

1,他们从四点开始就一直打网球.They_____________tennis since 4:00.2,他今天上午做了三小时的家庭作业.He________this morning.3,自从我五岁起就一直学习英语.I have been studying English_____________.4,到现在为止
1,他们从四点开始就一直打网球.
They_____________tennis since 4:00.
2,他今天上午做了三小时的家庭作业.
He________this morning.
3,自从我五岁起就一直学习英语.
I have been studying English_____________.
4,到现在为止看电视多久了?
____________she been watching TV?
5,这幅眼镜真的很酷.
__________really cool.
1.They have been skating____.
A.for three hours ago.
B.since three hours ago
C.three hours ago
D.since three hours
2.Bob____movie tickets since he was ten years old.
A.collects.B.will collect
C.collected.C.has been collecting
3.______have you been collecting shells?
-----Since I was eight years old.
A.How long.B.How soon
C.How often.D.What time

1,他们从四点开始就一直打网球.They_____________tennis since 4:00.2,他今天上午做了三小时的家庭作业.He________this morning.3,自从我五岁起就一直学习英语.I have been studying English_____________.4,到现在为止
1have been playing
2 did 3 hours' homework
3since i was 5
4how long has
5this pair of glasses is
B C A

1,他们从四点开始就一直打网球.They_____________tennis since 4:00.2,他今天上午做了三小时的家庭作业.He________this morning.3,自从我五岁起就一直学习英语.I have been studying English_____________.4,到现在为止 翻译：他们正在哪儿打网球? From the moment someone logs in,they should be able to see what their friends____,posting ,and otherwise promoting.（do）从某人登录开始,他们就应该看到好友们一直在做什么,发什么帖子和推荐 他们从早饭一直玩到晚饭.They played _____breakfast____dinner. 他们那时没有打网球 嘻嘻…… 原点手机怎么了,双十一以后是双十二活动这么频繁?从今年原点手机发布会就开始关注他们了.当时觉得价格太高,一直没有出手.双十一的时候他们有活动“1111”可惜没有抢到.这次“1212”打 英语翻译They______ the bridge for two month.(两个月来他们一直在修桥）.They______trees this month.(这个月来他们一直在植树.)I______shells since I was seven years old.(我从7岁开始就一直在收集贝壳).1、He______ ___ 英语翻译李娜出生于1982年2月26日.她从小就喜欢运动,六岁时就可以打羽毛球了.九岁时就开始学习打网球.在2002年,也就是她二十岁的时候,到大学读书,两年后接着开始打网球.在她自己的努力和 打网球的英语翻译 打网球译英文 某人从原点o处打网球,网球的飞行路线是抛物线,可用二次函数y=4x-1/2x²的图像来表示,求网球飞行最高点b与地面的距离及网球落地点a与点o的水平距离 从1开始一直加到1000等于几? 有没有什么地方从今年春节开始就一直下雨到现在,晴天屈指可数! 谁知道四点底怎么打出来.就像一个字 网球比赛中自己的发球局发球从什么地方开始? 打网球用英语怎么说? 打网球用英语怎么说 打网球的英语怎么说