[ Grammar ]
How ______ the marketing campaign affect sales last month?
A. did
B. do
C. does
D. doing

Random Topics:
Past Simple, Present Perfect TenseLinking WordsGerundsAlong & AgainstNoun QuantifiersSimple Present and Past TensesPerfect Tenses of VerbsAdverbial Clause of Cause and EffectStative Verbs and TensesSimple Present Tense with Adverb of FrequencyOther quiz:
Grammar › ViewMiss Ng is a ___________ at the supermarket.
A. ceshier
B. casher
C. cashier
D. cashyer
Tenses › View
Tom and Jerry _________ a big sandcastle on the beach.
A. just made
B. have just made
C. make
D. are making
