—Where're the children, Mr Black? —Oh, t
题型:选择题
问题:
—Where're the children, Mr Black?
—Oh, they _______ their PE lesson on the playground. [ ]
A. have
B. had
C. are having
D. have had
—Where're the children, Mr Black?
—Oh, they _______ their PE lesson on the playground. [ ]
A. have
B. had
C. are having
D. have had