What time ____his mother_________(do) the housework?
举一反三
- He often helps his mother do the housework ________ A: , B: : C: ; D: .
- What does his mother do?
- What _____ he _______ (do) when his mother opened the door?
- What does Tristan do when his mother leaves home at the ranch to the city center?
- What does he often do ______ his free time? A: in B: on C: at