Mary didn’t go to the party last night because she ______ the baby for her sister until 9:30.
A: must have look after
B: had to look after
C: must look after
D: has to look after
A: must have look after
B: had to look after
C: must look after
D: has to look after
举一反三
- Cathy didn't go to Tom's birthday party last night because she ______ the baby for her sister until 9:30. A: must have looked after B: would have to look after C: had to look after D: should have looked after
- Carey didn't go to the party last night because she ＿ the baby for her sister until 9∶30.
- My sister ______ after her baby carefully. look
- Mrs. White has a hard time because she has six children（） A: look after B: to be looked after C: to look after D: looking after
- I would love______(go)to the cinema last night, but I had to look after my sister at home.