Alan and Sue ____ an argument. They are not speaking to each other.
A. need have had
B. must have had
C. might have
D. should have had
Đáp án B
Cấu trúc: modal verb + have + VpII.
Các em nên đặc biệt ghi nhớ 2 cấu trúc:
Must have VpII : chắc hẳn đã ….
Should have VpII : đáng lẽ đã nên làm gì
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