Ⅰ.单句语法填空
1．I can hardly hear the radio.Would you please turn it ？
2．My mother usually switches to a more interesting one when she finds a programme boring.
3．I overslept this morning because my alarm clock didn't go ．
4．She was already in her late fifties when she took longdistance running.
5．We hope this world is filled love and happiness.
