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a) Complete the sentences.
1. People have used the telescope since
2. People have always wondered if
3. A probe is a kind of
4. NASA has sent to
5. Men couldn't find an evidence on Mars. for many times.​


A Complete The Sentences 1 People Have Used The Telescope Since 2 People Have Always Wondered If 3 A Probe Is A Kind Of 4 NASA Has Sent To 5 Men Couldnt Find An class=