[ Tenses ]
My friend ______ TV when I ______ him last night.
A. watched, called
B. was watching, called
C. watched, was calling
D. was watching, was calling

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Present Tense (Negatives and Questions)Verb Tenses (Progressive, Perfect)Past Tense vs Present TenseEmployment VocabularyPersonal PronounsHave toAdverb of FrequencyTOEFL Grammar1st ConditionalModals for Necessity and SuggestionsOther quiz:
Grammar › ViewA:I drink ___ milk before(在……之前)I go to bed every day. B:Me too. It helps me have a good night’s sleep.
A. a glass of
B. a
C. any
D. glass
Definite and Indefinite Article › View
I watched _______ video you had sent me.
A. a
B. an
C. the
D. no article
Verb Tenses › ViewOn Monday, he ________ the final step in completing his certification.
A. completed
B. completes
C. completing
D. complete
Comparatives, Superlatives, and Modals › View
What is the correct sentence for a suggestion using ‘shall’?
A. Shall we watch a movie tonight?
B. Shall we watching a movie tonight?
C. Shall we to watch a movie tonight
