[ Subject and Verb Agreement ]
As the pistons ________ forced up and down, they rotate the crankshaft.
A. is
B. are
Random Topics:
Simple Past TensesSimple Present and Present Continuous TensesPassive Voice & TensesSimple Present and Past TensesIn/On/At + TimeActive vs. Passive VoiceFuture TensesPresent Perfect SimpleAuxiliary ModalAdverb PhrasesOther quiz:
Grammar › ViewMy father is ___ on his old bike.
A. working
B. work
C. works
D. worked
Preposition › View
She decided to search ___________ her lost keys.
A. in
B. on
C. with
D. for
Grammar › ViewChoose the question which is correct.
A. Do you any children?
B. Do you have any children?
C. Are you have any children?
D. Are you any children?
Grammar › View
When_____ Shakespeare _______? In 1564.
a) were/born
b) is/born
c) was/born