[ Past Continues Tense ]
The students ___ Science while the teacher ___ Geography.
A. were studying , was teaching
B. was studying , were teaching
C. is studying , are teaching
D. are studying , is teaching

Random Topics:
Gerund, Participle, Infinitive, or AppositiveVerb-ing and InfinitiveAdverbsPresent, Past, Present Perfect and ComparativeTime Clauses of FutureModal Verbs of Certainty and PossibilitySecond and Third ConditionalModal Verbs of Deduction and SpeculationPresent Tense (Negatives and Questions)Sentence Adverbs & Third ConditionalOther quiz:
Tenses › ViewLast Sunday, our volunteer team ________ a lot of food packages to homeless people in the flood-hit region.
A. were bringing
B. brought
C. have brought
D. had brought
Grammar › View
He used a(n) ………. machine to send a copy of the piece of paper to New York.
A. fax
B. mobile
C. remote
D. answering
The dog ___ like to swim in the pool.
A. don’t
B. doesn’t
Grammar › View
Read and complete: I’ve _______ in a freezing cold lake.
A. Swim
B. Swam
C. Swum
