Chia động từ trong ngoặc theo câu bị động quá khứ đơn 1.the following year, twice as many PCs 2. In the 1980s, at least 100,000 lans....(set up) in laboratories and offices around the work . 3. the first digital computer .... (build) by the University of Pennsylvania in 1946 4. Last year, more software companies..... . (launch) than ever before. 5. IBM's decision not to continue manufacturing mainframes... (reverse) the year after it ... (take).
2 câu trả lời
Câu bị động quá khứ đơn: S + was/were + Vpp... + by + O + TG
2. were set up
3. was built
4. were launched
5. was reversed / was taken
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