________ is used to express that something is necessary or ...

[ Modal Verbs ]

________ is used to express that something is necessary or useful to do. It is similar to must or have to.

A. Should

B. Ought to

C. Be to

D. Need

Select your answer:

Random Topics:
Vocab Checking Simple Future - Passive Present Simple Tense Passive Noun Phrases How much or How many?Verb BE Gerund Noun Prepositions and Preposition Phrases Used to & would & Past Simple

Other quiz:

Grammar › View

According ………….…… scientists we will all soon have personal robots.

A. on

B. to

C. in

D. of

Prepositions › View

I shall be back ……about twenty minutes times.

A. In

B. At

C. By

D. From