15．What's wrong ____ your watch?
14．This programme was sent to the USA ____ China ____ satellite.
A．in; of
B．of; in
C．from; by
D．by; from
Ⅱ、用适当的介词填空：
13．The teacher will be back ____ an hour.
A．in
B．after
C．on
12．The visitors ____ Japan arrived ____ Beijing Station last Tuesday morning.
A．from; at
B．of; to
C．from; to
D．of; on
11．John knows ____ a computer.
A．how to use
B．how use
C．how uses
10．Let me show you the place ____ the map.
A．with
B．on
C．in
9．----When were you born?
----I was born ____ August 25, 1983.
A．on
B．in
C．at
D．to
8．Macao(澳门)will return to our motherland ____ December 20th, 1999.
B．at
D．for
7．They arrived early ____ a Tuesday morning.
D．of
6．Li Lei often gets up ____ seven o'clock on Sundays.