[ Grammar ]
I saw a car crash when I ______ for the taxi.
A. wait
B. were waiting
C. was waiting
D. was waited

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Verbal PhrasesPhrasal Verb Put & GoV-ing/to-VPresent/Past/Future Continuous TenseComparison & Modal Verbs in Passive VoiceQuantifiers & Modal VerbsPast Perfect or Past Perfect ContinuousQuantifiers and ArticlesPronouns and QuantifiersSubject Verb Agreement & Subjunctive MoodOther quiz:
Grammar › ViewThey …..to Da Lat by coach at this time last summer.
A. travelled
B. will travel
C. travel
D. were travelling
Grammar and Vocabulary › View
In 2006, NASA launched its first _______ to the planet Pluto.
A. colony
B. probe
C. portholes
Grammar › ViewParents want their children_____________?
A. to be happy
B. be happy
C. happy
D. being happy
Homonyms › View
The jockey held the horse’s ___ lightly.
a. rains
b. reigns
c. reins
