He saw a lot of people ______ in front of the famous shop yesterday.
A. line up
B. were lining up
C. lined up

Random Topics:
Reported - GerundAuxiliary VerbsPersonal Pronouns and Verbanother/the others/each other/one anotherArticles - rulesIf ConditionalsAdverb of FrequencyPresent Tense (Negatives and Questions)Past, Present, FutureWould/would like - affirmative/negativeOther quiz:
Future Tenses › ViewI can’t see you on Sunday. We _______ friends over for dinner
A. shall have
B. are having
C. will have
Tenses › View
I don’t have much free time, but when I find some, I ________ soccer with my friends.
A. go
B. play
C. do
Vocabulary › ViewDuring the school trip, Ethan felt “Anxious”. What does the word “Anxious” mean?
A. Feeling or showing worry, nervousness, or unease
B. Feeling or expressing overwhelming happiness or joyful excitement
C. Feeling or expressing revulsion or strong disapproval
D. Feeling weary because one is unoccupied
Grammar › View
What’s the rule for using “who” and “whom”?
A. “Who” is always used at the beginning of a question
B. “Whom” is used for formal writing, “who” for informal
C. “Who” is a subject pronoun, “whom” is an object pronoun
D. They are interchangeable in modern English
