5)
1.a
2.b
3.d
4.c
6)
1.He is riding a horse.
2.What are you doing ?
3.She loves playing basketball
4.I can not play chess
7)
99+11=One hundred and ten
84-7=Seventy three
47+28=Seventy five
120-3=One hundred and seventeen
49+57=One hundred six
145-90=Fifty five