40. Nowadays people shop online more than they did in the past. → In the past, people didn't

since then nothing (occur)

1 . I don't know what (do)

1 . I don't know what (do) 2. this time yesterday I (fish)

At 8:00 last night she (sleep)

At 8:00 last night she (sleep)

After she (fly) there , she (die)

33.1 last saw my uncie 20 years ago. →I haven't 34. Columbus, a great explorer, discovered America. → Columbus, who 35. The sign was in front of him; however, he didn't take any notice of it. → Although 36. Why don't we collect waste paper for recycling? → I suggest that wastē paper

33.1 last saw my uncie 20 years ago. →I haven't 34. Columbus, a great explorer, discovered America. → Columbus, who 35. The sign was in front of him; however, he didn't take any notice of it. → Although 36. Why don't we collect waste paper for recycling? → I suggest that waste paper