In order to log on to the Internet, Sally __________ ...

★ Expressing Obligation and Modals

In order to log on to the Internet, Sally __________ her user I.D.

A. must enter

B. have to enter

C. has got to entering

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Complete the sentences with the correct form of the modals and verbs in parentheses:

Companies ___________ (need / communicate) with customers and e-mail them regularly.

A. needs to communicate

B. need to communicate

C. need communicate