31.Harold is a good student, ____ his best subject.
A)as English
B)English as
C)being English
D)English being
32.They ____ through the woods talking about the current affairs.
A)wandered
B)strayed
C)rambled
D)wondered
33.Tom felt awfully sorry ____ her about his absence in the party.
A)about
B)for
C)with
D)on
34.We chose this flat for it is very ____ for my office.
A)suitable
B)comfortable
C)near
D)convenient
35.Chinese is the ____ language of most Chinese.
A)mother
B)native
C)natural
D)home
36.He has been ____ such a bad temper all day.
A)in
B)on
C)by
D)at
37.While at home, she preferred ____
A)doing something to doing nothing
B)to do something rather do nothing
C)doing something rather do nothing
D)to do something to doing nothing
38.____she finds out that you've lost her dog?
A)What though
B)What if
C)What about
D)What ever
39.All the machines in the lab are ____ Miss White.
A)in charge of
B)in the charge of
C)under the charge of
D)under charge of
40.We agreed to you plan____, but we think it needs modification in some area.
A)in principal
B)on principal
C)in principle
D)on principle