Tìm lỗi sai và sửa laị giúp mk nha
1.that is (a) (new) circus which (formed) (in) 1992
2.he(is said ) (to is) 108(years) old(now)
3.(A) letter (is going) (to send) (to Ann) by Tom
4 gold is (believed) to( be discovered) (in) (the 18th) century
5.in the future (human workers) might be (replace) by robots (in dangerous areas) (such as) nuclear power plant or coal mines
6.john has (been worked) at (the bakery) for(nearly) 40years (now)
7.our(houseguests) (are) going(to be arrived) tomorrow (afternoon)
8."(what) was (happened) yesterday( while) I was out? "" I (don't know) "
9.(when) the children (went to) the zoo they (were seemed) very(happy)
10.coffee (was making) when I (walked) (into) the kitchen (yesterday)