I don't know what happened to them. They ___ have ...

[ Modal Verbs for Speculation ]

I don’t know what happened to them. They ___ have taken a different route – they’re still not here.

A. may

B. must

C. will

Select your answer:
A B C D E

Other quiz:

Grammar › View

What is a verb that helps the main verb in a verb phrase
A. action verb
B. helping verb
C. linking verb
D. adjective

Verb Tenses › View

Choose the correct past tense form of the verb: I ________ (play) tennis with my friends yesterday.

A. plays

B. playing

C. played

D. playes

Phrasal Verbs › View

I can barely make _________ what you are saying. Please speak louder.

A. out

B. up

C. over

D. in

Subjunctive › View

He insisted that I … a gift from him.