[ Expressing Obligation and Modals ]
Choose the correct option to complete the sentences:
Companies ___________ look after existing customers carefully because it is expensive to get new customers.
A. need to
B. don’t have to

Random Topics:
Synonyms and VocabularyModals - Conditionals - Future TensesTenses & PassivePresent simple, Present continuous, Singular, PluralAdjectives and VocabularyAdjective ClausesAdverbs (manners & modifiers)Used to - Would - TensesAdverbial Clause of ConcessionTimeOther quiz:
Grammar › ViewThis novel ______________ (write) by Hemingway.
A. is written
B. is wrote
C. were written
D. was written
First Conditional › View
What is wrong with this sentence? “My uncle will buy a car if he have enough money.”
A. “will buy” must be “buy”
B. “have” must be “has”
C. “have” must be “will have”
D. “will buy” must be “buys”
Modals of Prediction › View______ I go to your house tonight?
A. Might
B. May
C. Will not
Grammar › View
Daley works in a bar _____ Saturday evenings.
A. on
B. in
C. at
