If you want to have perfect white teeth, you ______ ...

[ Modal Verbs in First Conditional ]

If you want to have perfect white teeth, you ______ brush your teeth regularly.

A. may

B. must

C. should

D. might

Select your answer:
A B C D E

Other quiz:

Vocabulary › View

a soothing, comatose or overexcited state; dream; daze; stupor; daydream

A. lull

B. haggard

C. trance

D. foliage

Simple Present Tense › View

…. everybody join the seminar yesterday?

A. Does

B. Did

C. Do

D. Is