Rob _____ a problem while he _____ the surveillance system. ...

[ Grammar ]

Rob _____ a problem while he _____ the surveillance system.

A. discover / checked

B. discovered / was checking

C. was discovering / checked

Select your answer:
A B C D E

Random Topics:

Inversion + Passive Voice BASIC GRAMMAR - PRONOUNS If Clauses Verb Tenses and Usage Past and Perfect Tenses Adjectives & Adverbs Present Perfect Tense Conditional Sentences and Verb Form Infinitives Passive Modals in Different Tenses

Other quiz:

Grammar › View

He is watching TV. He is __________ the TV.

A. from

B. beside

C. at

D. in front of

Grammar › View

I would_______seeing that movie

A. recommend to see

B. recommend that

C. recommend see

D. recommend seeing

Mixed General Quiz › View

Much of what is characteristically Brazilian in music, folklore and cuisine ___ in the Northeastern region of Brazil.
a. originating
b. originated
c. origin

Modals › View

I _____ hear a strange noise. What is it?

A. can

B. could