40 If I had remembered _________ the window, the thief would not have got in.
A) to close B) closing
C) to have closed D) having closed

41 There are other problems which I don’t propose to _________ at the moment.
A) go into B) go around
C) go for D) go up

42 Don’t get your schedule _________; stay with us in this class.
A) to change B) changing
C) changed D) change

43 It is quite necessary for a qualified teacher to have good manners and _________ knowledge.
A) extensive B) expansive
C) intensive D) expensive

44 Jean doesn’t want to work right away because she thinks that if she __________ a job she probably wouldn’t be able to see her friends very often.
A) has to get B) were to get
C) had got D) could have got

45 I felt somewhat disappointed and was about to leave, ________ something occurred which attracted my attention.
A) unless B) until
C) when D) while

46 A love marriage, however, does not necessarily ________ much sharing of interests and responsibilities.
A) take over B) result in
C) hold on D) keep to