题目内容
(请给出正确答案)
[主观题]
听力原文:(A) The technicians are testing their telescopes. (B) The scientists are working
听力原文:(A) The technicians are testing their telescopes.
(B) The scientists are working in the laboratory.
(C) The physicians are performing an operation.
(D) The soldiers are cleaning their uniforms.
A.
B.
C.
D.
答案
查看答案