1. The teacher dosen\'t permit _____ in class.
A)smoke
B)to smoke
C)smoking
D)to have a smoke
2. Anne couldn\'t concentrate _____ what she was doing while her family were watching TV.
A)to
B)on
C)for
D)in
A)smoke
B)to smoke
C)smoking
D)to have a smoke
2. Anne couldn\'t concentrate _____ what she was doing while her family were watching TV.
A)to
B)on
C)for
D)in