[ Tag Question ]
The cases of COVID 19 outside China have increased 13 fold,________?
A. will they
B. haven’t they
C. hasn’t they
D. did they

Random Topics:
Modals: Possibility, Necessity, ExpectationProgressive TensePresent Perfect and Present Perfect Progressive TensesConjunctions, Interjections and DeterminersPresent ProgressiveSimple Present - WH QuestionsModals in the Past - Speculation and DeductionModal Auxiliaries and Similar ExpressionsGrammar: Reported QuestionsIndefinite and Intensive NounOther quiz:
Vocabulary › ViewWhat does the word “monstrous” mean?
A. Very large and/or scary
B. Colorful
Grammar › View
Which of these is a sentence fragment?
A. People are grateful.
B. They raise money.
C. Working in their communities.
D. Many students help others.
Grammar › ViewThere’s a chance ____ her appointment yesterday.
A. for her to have forgotten
B. forgetting
C. of her having forgotten
D. of her to forget
Simple Tenses › View
The following include time signals in the simple past tense, except…
A. Last month
B. Yesterday
C. Next year
D. Two days ago
