Everybody has arrived. It's time we ____.
A、wouldstart
B、shallstart
C、started
D、hadstarted
Gene:ShallIopenthiswindow?
Jodie:______
A、No,pleasedo
B、I'dratheryoudidn't
C、Pleaseopenthiswindow
D、I'dratheryouhadn'tdoneit
You can take any seat ____ is free.
A、inwhich
B、that
C、where
D、which
He borrowed a book the other day ， the author ____ is a worker.
Some concepts may be difficult to grasp chiefly because they may be unfamiliar or _____ideas, opinions which we already hold.
A、inaccordancewith
B、inconflictwith
C、infavorof
D、inresponseto