They ___ dinner with their aunt’s family tomorrow

20. They ___ dinner with their aunt’s family tomorrow.
Chọn một phương án:
A. will be having
B. are having
C. will being have
D. have
Câu hỏi 1721. But I ___ stay in England for six months, and not for a fortnight as I had planned.
Chọn một phương án:
A. can
B. am able to
C. had to
D. have to