______is often the case, we have worked out the production plan.A.WhichB.WhenC.WhatD.As
______is often the case, we have worked out the production plan.
A.Which
B.When
C.What
D.As
______is often the case, we have worked out the production plan.
A.Which
B.When
C.What
D.As
B.reality
C.practice
D.deed
A、must have worked, would fail
B、mustn't have worked, wouldn't fail
C、can't work, wouldn't have failed
D、can't have worked, wouldn't have failed
AB C
Alexander Graham Bell devoted his life to help the deaf.
D
A. businesses usually do not pay much for advertisement B. businessmen know well that advertisement could bring them more profits C. advertisement could hardly convince people of the value of the goods D. advertisement usually cost businesses large amounts of money
A. deceive customers B. increase production C. arouse suspicion D. push the sale
A. had a telephone B. have phoned C. should have phoned D. should be phoned
A. that B as C. although D. however
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