These books were very dear to him and he bought them at () expense when he was studying abroad.

单项选择题() of the boys in the class who have passed the test is to receive certificates.

A. Every
B. Every one
C. Any
D. Anyone

单项选择题None of us expected the chairman to () at the party. We thought he was still in hospital.

A. turn in
B. turn up
C. turn over
D. turn down

单项选择题() all of us who are here tonight, I would like thank Mr. Brown for his talk.

A. On behalf of
B. On account of
C. In honor of
D. In terms of

单项选择题Much () I have traveled, I have never seen anyone to equal her in efficiency.

A. although
B. as
C. while
D. if

单项选择题This hotel () $60 for a single room with bath.

A. claims
B. demands
C. prices
D. charges