1¡¢I felt like giving up. I probably ________£¬ but my Dad whispered, “Come on! You can make it.”

A.would have                       B.would       C.should        D.should have

2¡¢£­Alice, why didn’t you come yesterday?
£­I ____, but I had an unexpected visitor.

A.was going to                  B.would
C.had                      D.did

3¡¢There are clear ___________(indicate ) that the economy is improving.

4¡¢Now you are entering a _______ room, and can choose any topic for your _______. (chat)