We __________ (could / must) prepare a backup plan in ...

[ Modal Verbs ]

We __________ (could / must) prepare a backup plan in case the original one fails.

A. will

B. must

C. should

D. can

Select your answer:

Random Topics:

Grammar : Must (Necessity)Adverbial Clauses Tenses (Present, Past, Future Forms)COUNT - NONCOUNT NOUNS GRAMMAR - Could / Could not Narrative Tenses Simple Present and Past Tenses Grammar - either...or, neither...nor Ordering Adjectives

Other quiz:

Aptitude : Problems on Trains › View

Two trains of equal lengths take 10 seconds and 15 seconds respectively to cross a telegraph post. If the length of each train be 120 metres, in what time (in seconds) will they cross each other travelling in opposite direction?
A. 10
B. 12
C. 15
D. 20

Vocabulary › View

What is the architecture of a building related to?

A. Location

B. History

C. Design

D. Size