[ Grammar ]
_____ it is convenient to use chemical cleaning products, I avoid using them to protect the environment.
A. Although
B. Because
C. If
D. When

Random Topics:
Simple Present and Present Continuous TenseModals and VocabularyHow many / How much - Is there / Are thereComparison and ModalsWould/would like - affirmative/negativePast ContinuousSuperlativesModal and Relative PhrasesSimple Past/Past ProgressiveGerunds as objects of prepositionOther quiz:
Future Perfect Tense › ViewChoose the correct future perfect tense for the sentence: ‘By next month, they _______ (build) their new house.’
A. will build
B. will have build
C. built
D. will have building
Grammar - Future › View
Next week Frank and Teresa …………. (fly) to New York. They already bought tickets.
A. will fly
B. are going to fly
C. are flying
D. fly
Past Simple and Past Continuous › ViewComplete the sentence: ( Past Simple)
The students didn’t _________ their project on time.
A. finish
B. finished
C. finishing
D. was finished
Grammar › View
You __________ the cleaning. I would have done it tonight.
A. needn’t have done
B. couldn’t have done
C. can’t have done
D. wouldn’t have done
