Andy ______ cooking dinner when he came in.
举一反三
- His aunt __________(do) some cooking when he came in.
- He pretended _________ when his mother came in.
- Mike had already (lie) ______ down when he came in.
- He _______ when the teacher came in. A: A.sang B: B.has sung C: C.was singing
- Dinner was ready ______ he came home. A: when B: where C: though D: however