Complete the conversations with the expressions in the box.

could 　　shouldn’t　　 ought to　　 had better　　 had better not
Betsy: I don’t know what to wear to the party tonight.
Carla: You (1)
wear your new skinny jeans or black pants.
Betsy: It’s a formal dress party.
Carla: Oh, then you (2)
wear jeans. They’re too casual.
You definitely (3)
wear the black pants.

Fred: I still don’t understand this grammar.
Doug: You (4)
get some help or your will fail the test. It’s on Thursday.
Fred: Maybe I(5)
take the test on Friday. That would give me extra time.
Doug: Well, you (6)
delay. There’s not much time.