Some good advice () the students by the teachers in this school.

单项选择题The teacher () the map on the blackboard.

A．hang
B．to bang
C．hung
D．hanged

单项选择题They will do () they can to overcome () great difficulties there may be.

A．that; whatever
B．what; whatever
C．what; which
D．which; what

单项选择题This device will help the () detectives see things that may remain ().

A．advanced; hidden
B．advancing; hiding
C．advanced; hiding
D．advancing; hidden

单项选择题The president's visit to Japan had a positive effect () business () science and technology between the two countries.

A．on; as well as
B．to; as well
C．about; as well
D．in; as well as

单项选择题The workers are making radios, TV sets and some () things in this factory.

A．another
B．others
C．the others
D．other