Mr. Richard was disappointed that many s
题型:选择题
问题:
Mr. Richard was disappointed that many students who had signed up for his adventure course _______ at the last moment.
A.left out
B.got out
C.passed out
D.dropped out
Mr. Richard was disappointed that many students who had signed up for his adventure course _______ at the last moment.
A.left out
B.got out
C.passed out
D.dropped out