We have to go to other places to find a crane, there ___________no crane here that stands idle.
A. is
B. to be
C. being
D. having been
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As a pianist, he can hardly stand hearing a piano ___________so badly.
A. playing
B. being played
C. to play
D. having played
Geophysicists have collaborated with archaeologists and anthropologists to study the magnetic properties of pottery and fireplaces at sites ___________ by early humans.
A. occupied
B. occupying
C. which occupy
D. were occupied
During the course of its growth, a frog undergoes a true metamorphosis___________ with a fishlike larval stage.
A. begin
B. began
C. beginning
D. is begun
人的个性心理特征的结构主要包括()
A. 认识、情感和意念过程
B. 感知、记忆、思维、想象
C. 能力、气质和性格
D. 个性倾向性、个性心理特征