My calculations were based on the ________ that house prices would remain steady.

A．theory            B．assumption        C．procedure         D．regulation

The idea ____ he didn’t have to stop at the red light at night caused the traffic accident.

A．that              B．which            C．what             D．why

Being young means having all kinds of possibilities, so you should challenge your limits and go _____ your boundaries.

A．beyond           B．for               C．over             D．above

He is not ____ to be present at the meeting tonight.

A．possible          B．likely             C．probably          D．perhaps

If we ___ the other road, we might have arrived here in time for meeting.

A．take             B．had taken         C．took             D．have taken

--This is the first time I ____ pictures with my own camera.

--It’s time that you ___ a picture of me.

A．took; took         B．took; will take      C．have taken; took    D．will take; have taken

The population of China___ to many times what it was in 1949, and most of its population ___ farmers.

A．have grown; are    B．have grown; is      C．has grown; is       D．has grown; are

Between the two parts of the concert is an interval, __ the audience can buy ice-cream.

A．when            B．where            C．that              D．which

________, his idea was accepted by all the people at the meeting.

A．Strange as might it sound                 B．As it might sound strange

C．As strange it might sound                 D．Strange as it might sound