You have been to Beijing. How long _____
题型:选择题
问题:
You have been to Beijing. How long _______ you ______ there/
A.did…stay
B.have…stayed
C.do…stay
D.will…stay
You have been to Beijing. How long _______ you ______ there/
A.did…stay
B.have…stayed
C.do…stay
D.will…stay