[ Adverb & Compound Sentences ]
__________ the teacher explained the concept well, the students understood it, __________ they could apply it effectively.
A. Once, and
B. Since, and
C. When, but
D. If, or

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Conjunctions and Commas › ViewChoose the sentence that correctly uses a conjunctive adverb.
A. I was tired; therefore I went to bed early.
B. I was tired therefore, I went to bed early.
C. I was tired, therefore I went to bed early.
D. I was tired; therefore, I went to bed early.
Articles › View
Is is acceptable to touch ____ person on ____ shoulder in a conversation?
A. a – the
B. the – the
C. the – a
D. a – a
Simple Present and Simple Past › ViewHe ————– up early every morning.
A. wake
B. waked
C. woke
D. wakes
Grammar › View
If he more free time, he would take his children to the zoo.
A. has
B. is having
C. had had
D. had
