The new technology has opened up a very wide _______ of possibilities.
A.extent B.number C.collection D.range
_______ the new medicine for a year and we’ll see how well it works.
A.Try out B.Make out C.Give out D.Pick out
He studied hard, __________ the exam.
A.aim at B.aiming at passing
C.aiming passing D.aiming to passing
What makes us worried is that the number of people ______to drug is ________.
A.addicted ; increased B.addicting; increased
C.addicted ; increasing D.addicting; increasing
The boy became fatter and fatter each day and_____ made his parents sad.
A.which B.what C.he D.it
This accident was______ his driving.
A.due to B.thanks to C.because of D.so as to