[ Subject and Verb Agreement ]
With the intake stroke, the piston is moving downward. That _______ the gasoline and air to move into the engine as the arrow shows.
A. allow
B. allows
Random Topics:
Have to / Do not have toAdjectives & AdverbsConjunction: Because and SoQuantifiers & Modal VerbsConditional Sentence Type 2 and Type 3so vs suchCorrelative Conjunction & Complex SentencesGrammar (Possessive Pronouns)Prepositions of Time & PlaceFuture Perfect vs Future ContinuousOther quiz:
If/Unless - Conditional type 1 › ViewI will take a day off ___ my boss says that it is okay.
A. unless
B. if
Grammar › View
Find the word with a stress pattern different from the others
A. smartphone
B. food processor
C. digital camera
D. blackboard
Grammar › Viewa summary or abstract of a text or speech
A. prècis
B. paraphrase
C. afterthought
D. argument
Tenses › View
They ____ play football tomorrow afternoon.
A. is
B. are
C. will
D. was