.
He has three brothers, ______ is a doctor.
A.all of them |
B.all of whom |
C.both of them |
D.none of whom |
.
The old man is familiar ________ the old village.
A.with |
B.in |
C.to |
D.for |
.
He is a _______ teacher, and he explains every problem to his students with great ________.
A.patiently; patience |
B.patiently; patient |
C.patient; patience |
D.patient; patient |
.
Could you ________ the TV? I can’t hear clearly.
A.turn up |
B.turn on |
C.turn down |
D.turn off |
.
It ________ I arrived at the station ________ I found the train was delayed.
A.was until; that |
B.wasn’t until; that |
C.was until; when |
D.wasn’t until; when |
.
No teachers are permitted ________ in the classroom or in the office.
A.smoke |
B.smoking |
C.to smoke |
D.smoked |