__________ any apps before they made this one?
A. Did they designed
B. Had they designed

Random Topics:
Question tag and + - AgreementBecause / soSimple PastCommunicative GrammarWho am I?Compound and Complex, ConditionalsModal and Phrasal VerbsIdentifying Sentence TypesPresent Perfect vs Past SimpleComparative Adjectives and AdverbsOther quiz:
Grammar › ViewWhich sentence uses an ellipsis to show a pause?
A. “. . . how’s your husband, Lee, doing?”
B. “How’s your husband, Lee, doing . . . ?”
C. “How’s your . . . husband, Lee, doing?”
D. “How’s your husband . . . Lee . . . doing?”
Superlative Adjectives › View
The _________________ place in Malaysia is Chuping, Perlis.
A. hot
B. hotest
C. hottest
D. most hot
Grammar › ViewCombine the sentences with a compound subject.
A. Lions and Giraffes live in savannas.
B. Lions and giraffes live in savannas.
C. Lions live in savannas and Giraffes live in savannas.
Verb Tenses › View
Which of the following sentences is in the present perfect tense?
A. I will read that book.
B. I read that book.
C. I have read that book.
D. I am reading that book.
