Mongolian children learn to ride when they are __________ as three years old.
A. as young
B. younger
C. younger than
D. so young

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Future Simple TensePresent/Past/Past ParticpleFuture Simple TensesFunctional Sentence TypesCollective NounsAll, Both, Neither, None, Either1st ConditionalSimple Present and Present Continuous TensesThe First Conditional (if/unless)Second ConditionalsOther quiz:
Vocabulary and Grammar › ViewHow can the word ‘enhancement’ be used in a sentence related to technology?
A. The latest software enhancement significantly improved the system’s processing speed.
B. The enhancement was only a minor update to the user interface.
C. She enhanced her skills by taking a course in graphic design.
D. The enhancement of the hardware was unnecessary for the project.
Modal Auxiliaries and Similar Expressions › View
He ___ work with old programming languages before switching to Python.
A. used to
B. be used to
C. must
D. should
Conjunctions › ViewShe stayed home ___ it was raining heavily.
A. because
B. so that
C. so
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Tenses › View
Dad … to London at 6:30 tomorrow morning.
A. flies
B. was flying
C. is flying
D. flew
