---Could I go boating this weekend, Dad?
---Yes, you ________. But you ________ come back before lunch.
A.could; must | B.can; must | C.could; should | D.must; should |
---Could I go boating this weekend, Dad?
---Yes, you ________. But you ________ come back before lunch.
A.could; must | B.can; must | C.could; should | D.must; should |