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
Select your answer:

Random Topics:
Participle Clauses & Cleft SentencesGrammar - Present Perfect with already, just, yetRelative - ConditionalUsed to - Would - TensesThird ConditionalsSimple Past vs Past Continuous TensePre-intermediatePronounsTensesGrammar and IdiomsOther quiz:
Mixed General Quiz › ViewIf you want to visit Arkansas, spring or fall are ___ seasons for tourists to visit.
a. a better
b. a best
c. best
d. the best
Past Tense, Recount Text, and Future Tense › View
My Holiday at home
Last holiday was my worst holiday because I did not go anywhere. I just stayed in my home. In the morning, I woke up and had a breakfast. After that, I played with my cat. In the afternoon, I had a lunch and after that I took a nap. In the evening. I watched until I felt boring. My daily activities were like that during the holiday. So, I was sure last holiday was my worst holiday.
Where did the writer spend his holiday?
A. in the morning
B. in the afternoon
C. in his home
D. in his room
