[ Grammar ]
He ___ (write) an email when his colleague came to his desk.
A. write
B. writing
C. was writing
D. wrote

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Comparative AdjectiveVerbs of movementso vs suchAdverbs or AdjectivesPresent Perfect and Present Perfect Progressive TensesTenses & PassiveModals of Obligation and PermissionHow much and how manyIndirect SpeechEnglish for TourismOther quiz:
Time Clauses of Future › ViewShe __________________ her friends this weekend when she goes to Virginia.
A. will to see
B. seeing
C. is going to see
D. going to see
Tenses › View
My dog ____ every time it sees a cat.
A. bark
B. barks
C. barked
D. barking
Present Tenses and Connectors › ViewThe computer ___ not working.
A. are
B. does
C. don’t
D. is
Grammar › View
What is a verb that helps the main verb in a verb phrase
A. action verb
B. helping verb
C. linking verb
D. adjective
