[ Tenses ]
Two years ago, Mark ____ his own business, but he ____ freelance work since then.
A. started / has been doing
B. was starting / has done
C. has started / does
D. starts / was doing

Random Topics:
Simple Past Tense & Future TenseGerund, Participle, Infinitive, or AppositiveLinking Verbs & Helping VerbsGRAMMAR - Could / Could notSimple PresentModals of AdviceSuperlativesOpinion / AgreementTypes of PrepositionTime ClauseOther quiz:
Grammar › ViewWhat of the following is passive
A. will produce
B. will be produced
C. is checking
Conjunctions › View
Choose the conjunction in this sentence: “We can go swimming if the weather is nice.”
A. go
B. swimming
C. if
D. nice
Grammar › ViewJane is a very… cook.
A. well
B. good
C. badly
Future Tenses › View
To talk about established plans (100% sure) we use…
A. present simple
B. be going to / present continuous
C. future simple
D. future continuous
