1.Chọn đáp án A,B,C,D
1.Businesses have ... more money in renewable energy in recent year
A.invested B.limited C.controlled D.affected
2.Once non-renewable energy sources are used ..., they are gone forever
A.off B.up C.out D.for
3.The Shinkanseen bullet train, a ... passengertrain off Japan, can reach a speed of 320km/h
A.high-speed B.non-speed C.speedless D. low-speed
4.At present, ... are constantly working on improving transportation
A.inventives B.invents C.inventions D.inventors
The city of Aukland is so ... that it is paying people to leave
A.effective B.overcrowded C.eco-friendly D.pleasant
5.It is not unusual to be stuck in traffic ... several hours during rush hours
A.in B.on C. for D.at