1.--Mr Johnson asked me to remind you of the meeting this af

1.--Mr Johnson asked me to remind you of the meeting this afternoon.Don't forget it!
--OK,I___.
A.won't B.don't C.will D.do
2.The big room ___ for meetings.
A.are using B.will use C.can use D.can be used
3.The lost child ___ last night.
A.was found B.was founded C.has found D.has been found
4.His book is difficult ___.
A.to be under stood B.being understood
C.to understand D.understanding
5.--When ___ the car ___?
--In 1885.
A.did;invent B.was;invented C.does;invent D.is;invented