I’m not sure where the boss went this morning. He ...

★ Modals with Perfect Infinitive

I’m not sure where the boss went this morning. He ___ to our other branch office in Glendale.

A. may have gone

B. should have gone

C. need to have gone

D. must have gone

Preview next quiz:

A: I saw Ann in the library this morning. B: Are you sure? You ___ seen someone else.

A. should have

B. can’t have

C. must

D. might have