Question:
I’m sure Luisa was very disappointed when she failed the exam.
-
A.
Luisa must be very disappointed when she failed the exam. -
B.
Luisa must have been very disappointed when she failed the exam. -
C.
Luisa may be very disappointed when she failed the exam. -
D.
Luisa could have been very disappointed when she failed the exam.
Reference explanation:
Correct answer: GET
Knowledge: About modal verbs
Must be… : used to express inferences in the present
Must + have + Vp2: used to express inferences in the past
Could + have + Vp2: used to express things that could have happened but in fact didn’t
Topic : I’m sure Luisa was very disappointed when she failed the exam.
= Answer B. Luisa must have been very disappointed when she failed the exam.
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