一、题目略
1.brother; mother; father
2.thirteen; third; three
3.April; May
二、题目略
1.3rd; three 2.5th; five 3.1st; one
4.2nd; two 5.4th; four
三、题目略
1.E 2.G 3.B 4.A 5.C 6.D 7.F
四、1.March 12th 2.March 15th 3.March 21st