Ⅰ.根据句意及首字母提示补全单词
1.My sister is 19 years old now. Next Monday will be her t________ birthday.
2.The kidnapper(劫持者) tied the man's hands together with a strong r________.
3.Liu Ping fell down in the 400metre r________.
4.—Could you please tell me the r________ of the basketball match?
—Sure! It was 43. Class Five won.
5.All the students in Class Ten have gone to the lab. N________ of them is in the classroom.