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A．was sent B．were sent

C．is sending D．are sending

【題目】________ as the “the Father of Hybrid Rice”, Yuan Longping is a world-famous agricultural scientist.
A.Knowing
B.Having known
C.Known
D.To be known

—Tomorrow morning.

A. when they had

B. when did they have

C. when they are going to have

A．are B．is C．have D．be

A．because B．because of

C．thank to D．as a result

【題目】We must work together to protect the environment so that us can live in beautiful________.
A.surrounding
B.surroundings
C.situation
D.conditions

【題目】My best friend went through a period of emotional______after he lost his job.
A.control
B.adjustment
C.outburst
D.improvement

【題目】To keep healthy, my father________jogging as a regular form of exercise after work.
A.took up
B.turned up
C.brought up
D.set up

A．which B．with which C．as D．in that

【題目】Emma likes reading and soon becomes a________customer of this new bookshop.
A.often
B.constant
C.frequently
D.instant