39．Jane, don’t forget ________(turn) off the TV before going out.
40．Beijing is in the ________(north) part of China.
41．The boy is too poor to go to school. He has to teach________(he) at home.
42．I felt________(terrible) sad about not passing the driving test.
43．If the man is still ________(live), we need to send for a doctor at once.
44．Little Tom felt sleepy while he ________(watch) the boring film.
45．Drivers should be more careful when driving on ________(snow) days.