Tears contain an antiseptic ………… helps protect our eyes from infection.
A. how
B. where
C. that

Random Topics:
Vocabulary and IdiomsAdverb & Compound SentencesConjunctive AdverbArticlesConditional Sentences Type 0, 1 and 2Modals for Necessity and SuggestionsNouns - Word Form-IONVerb and PrepositionPrepositions and AdverbsFood VocabularyOther quiz:
Grammar › ViewThe suitable suffix for the word instruct is :
A. er
B. ist
C. ion
D. or
Mixed Tenses › View
Differentiate between past perfect, present perfect, and future perfect tenses in the following sentence: By the time she arrived, I had already finished my homework.
A. Past perfect, present perfect, future perfect
B. Past perfect continuous, present perfect continuous, future perfect continuous
C. Past continuous, present continuous, future continuous
D. Past simple, present simple, future simple
Past Simple, Present Perfect Tense › ViewIn 2016, we (not/join) _________ the tennis competition in our town.
A. has not joined
B. have not joined
C. did not joined
D. did not join
E. have not join
Subject and Verb Agreement › View
The 4 stroke engine cycle ________ also called the Otto Cycle.
A. is
B. are
