We had to wait _________all our friends to finish their work.
A.for
B.but
C.so
D.until

_______(74)
A.cars
B.bicycles
C.buses
D.horses

_______(73)
A.costly
B.cheap
C.disastrous
D.impossible

_______(71)
A.efficient
B.ancient
C.rural
D.western

Which of the following are NOT shown in satellite photographs?
A.The temperature of the ocean’s surface
B.Cloud formations over the ocean
C.A model of the ocean’s movements
D.The location of sea ice

The word “information” is closest in meaning to ___________ .
A.data
B.articles
C.samples
D.photographs

_______(76)
A.rails
B.streets
C.rivers
D.footpaths

_______(78)
A.villages
B.trams
C.cities
D.governments

_______(80)
A.faster
B.slower
C.worse
D.better

A.stretch
B.charge
C.achieve
D.chemical