[ 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:
Phrasal Verb › ViewWe are looking forward ___ going out at the weekend.
A. at
B. in
C. of
D. to
Grammar › View
Where is the bear?
A. It is beside the tree.
B. It is on the tree.
C. It is under the tree.
D. It is in front of the tree.
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