Surfing the internet (1) _______________ (become) a part of our daily life. How much do you (2) _______________ (know) about the internet?
The internet (3)_______________ (be) a network of millions of computers linked together by telephone lines, satellite and microwave connections. It (4) _______________ (start) by the United States Department of Defence in 1969. At that time, it (5) _______________ (allow) information to move freely around a military computer network.
tenses
2007-12-17 3:13 am
回答 (2)
2007-12-17 3:21 am
✔ 最佳答案
Surfing the internet (1) _becomes__ (become) a part of our daily life. How much do you (2) ____know____ (know) about the internet? The internet (3)______is_______ (be) a network of millions of computers linked together by telephone lines, satellite and microwave connections. It (4) ___started_____ (start) by the United States Department of Defence in 1969. At that time, it (5) ___allowed___ (allow) information to move freely around a military computer network.
2007-12-21 5:09 am
(1) becomes
(2) know
(3) is
(4) was started (by) - passive voice
(4) allowed
(2) know
(3) is
(4) was started (by) - passive voice
(4) allowed
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