[ Tenses ]
How may times________ them so far?
A. have you seen
B. did you see
C. were you seeing
D. had you seen

Random Topics:
A/AnFOR & SINCESimple Compound and Complex SentencesTag QuestionArticles with SubstancesPresent Perfect TensePronoun Antecedent AgreementVerbsAdverb of Frequency and Past Continuous TenseSentence TransformationOther quiz:
Grammar › View. Identify the correct present perfect tense usage:
A. We have lived here for three years.
B. We lived here last year.
C. We are living here now.
D. We will live here soon.
Adverbial Clauses › View
___ I have finished my studying in law, I intend to work abroad.
A. before
B. after
C. wherever
D. until
Countable Noun › ViewCOMPUTER
A. COUNTABLE
B. UNCOUNTABLE
C. BOTH
Verb Patterns › View
I tried …………… my eyes open, but I eventually fell asleep.
A. keep
B. to keep
C. keeping