41.Students with _______ problems may apply for student loans.
42.Both sugar and salt can ______in water.
43.I have not heard anything from him since his _______.
44.Without a proper education, people could _______ all kinds of crimes.
45.Several loudspeakers are _______ from the ceiling and we can hear the speaker very clearly.
46.This morning in the class, our teacher lost his _______ at last because he could not stand any more.
47.It is not ---_______ for me to return all the books to the library now because I still need some of them for my research.
48.When traveling alone in the mountains, you’d better take a _______ with you in case you get lost.
49.As a teacher, you should not _______ the students from asking questions in class.
50.If you have any problems during your study here, please do not _______ to call me for help
41.B 42.C 43.A 44.C 45.D
46.A 47.C 48.A 49.B 50.A