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1,他们从四点开始就一直打网球.

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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.
1have been playing
2 did 3 hours' homework
3since i was 5
4how long has
5this pair of glasses is
B C A