在下列各句的空格内填上一个适当的完整的单词，该词的首字母已给出。
小题1:As the first Chinese woman astronaut, Liu Yang l on the moon in June successfully.
小题2:Ninety d by three is thirty.
小题3:Tom spoke so q that I couldn’t follow him.
小题4:The horse could not raise i from the ground after a long run.
小题5:It’s our d to look after our parents when they get older.