[ Conditional Sentences ]
I have to work tomorrow morning, so I can’t meet you.
A. If I don’t have to work tomorrow morning, I can meet you.
B. If I didn’t have to work tomorrow morning, I could meet you.
C. I could meet you if I don’t have to work tomorrow morning.
D. I can meet you if I didn’t have to work tomorrow morning.

Random Topics:
Such...that, so ......thatPerfect ModalsSubject Verb Agreement & Subjunctive MoodAdjective & AdverbsHave to / Do not have toPresent Simple & Present Continuous TensesModals of ProbabilityPast Tense and NeutralFuture Tense and ConditionalsSimple Past Tense & Future TenseOther quiz:
Grammar › ViewThe men are busy. ____________ are repiring the roof of the building.
A. He
B. She
C. We
D. They
Present Perfect Continuous › View
They_____________ been ______________all day for the concert.
A. has…practise
B. have…practise
C. has…practising
D. have…practising
Grammar › ViewA: What is Louis favorite drink?
B: ___ favorite drink is orange juice.
A. My
B. Your
C. His
D. Her
Pronoun › View
If people want to buy new clothes, ___ have to earn money.
A. She
B. He
C. They
