将下列对话补充完整：A：Hi,Tom.Lucy’sbirthdayiscoming.What()wedoforherB：Well,wecanhaveabirthdayparty.A：Whatcanwedo()thepartyB：We()singanddancetodisco.A：CanyouButyou()singtwoweeksago.B

Question

将下列对话补充完整：
A：Hi ,Tom .Lucy’s birthday is coming .What ( ) we do for her
B：Well ,we can have a birthday party .
A：What can we do ( ) the party
B：We ( ) sing and dance to disco .
A：Can you But you ( ) sing two weeks ago .
B：I can sing now ,but I ( ) sing very well .
A：Oh ,I see .

Answer 1

shall
for
can
couldn't
can't