[ 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:
Vocabulary › ViewWhich word means a person who is present but is not actively taking part in the action?
A. bystander
B. distraught
C. endeavor
D. irate
E. laborious
Vocabulary › View
If something is documented, it is …
A. repeated
B. recorded
C. forgotten
Grammar › ViewThe 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
