A. had been
B. has been
C. was
D. is
[单选题]We visitedProfessor Li [occasionally] this summer.A.accidentallyB.usuallyC.
[单选题]Conditions for the growth of this plant are optimumin early summer.A.Punish
[单选题]When I was a little child,I was used to sleeping with the window( )at night
[单选题]When I was a little child,I was used to sleeping with the window( )at night
[单选题]Progress ( ) so far very good and we are sure that the work will be finished on time.A. was B. had been C. has been D. will be
[单选题]Can you [follow]the plot so far?A.changeB.investigateC.writeD.understand
[单选题][A] that[B] much[C] far[D] so
[单选题]So far nobody has claimed the money in the library.A. discoveredB. to be discoveredC. discoveringD. having discovered
[单选题]Progress so far very good and we are sure that the work will be finished on time.A. was B. had been C. has been D. will be
[单选题]So far scientists have only acquired______understanding of the physical processes that cause earthquakes.A.a partialB.a changeableC.an originalD.an individual