2, I don't........ what tou say
a, belive      b, bekives     c,si believing          d,believed
3.he usually goes to school by train, but today he..........by car
a,goes         b,went          c,go                        d,is going
4,she...........the bibrary every weekend.
a,go             b,went          c,goes                    d,is going
5, for the time being, my sister..............book in the dining room
a,is reading  b,reads        c,read                     d,is read