[ Grammar ]
Dad _________________ go and see a doctor. His cough is getting worse all the time.
A. could
B. should
C. couldn’t
D. shouldn’t

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Articles - rulesPast Perfect and Past Perfect Continuous TenseObject PronounsTenses and VoiceGrammar: Have toQuestion tag and + - AgreementRelative Clauses & Real ConditionalsConjunctions and PronounsZero and First ConditionalsRelative Clauses beginning with PrepositionsOther quiz:
Passive Voice › ViewBicycles_________ in the driveway.
A. must not leave
B. must not be leaving
C. must not be left
D. must not have left
Grammar › View
When Franco becomes an adult,
A. he could jump on a bouncing house.
B. he couldn’t jump on a bouncing house.
C. he won’t be able to jump on a bouncing house.
Tenses › ViewThe engine…. smoothly when it suddenly stopped.
A. Runs
B. Running
C. Has run
D. Was running
E. Is running
Grammar › View
Select the correct word to fill in the blank.
The principal _____ not like the pupils to be late for school.
A. do
B. does
