Scientists have obtained more evidence ________ plastic is finding its way into the human body.
A.what B.that C.which D.where
The afternoon sun provided the clouds shifting colors: pink and salmon, crimson and ivory, all ____ against a royal blue sky.
A.given off B.set off C.broken off D.turned off
How long do you think ____ the conflict between Japan and China comes to an end?
A.it will be since B.will it be until C.it will be before D.will it be when
What parents do will cast a ____ for the children and help them to see what they will be and what they will do in the future.
A.glance B.doubt C.vision D.shadow
Membership of this club is open to those who are ____ its aim.
A.in salute to B.in sympathy with C.in honor of D.in line with
—Did you attend the meeting for the experiment project yesterday?
—Yes, but I don’t think I ____ because my director was there.
A.need to have B.need to C.needed to D.need have
