[ Tenses ]
The chemistry students ____ a reaction in the lab this afternoon.
A. will observe
B. observe
C. observed
D. are observing

Random Topics:
Auxiliary Verbs (be, do, have)Verb to haveVerb Tenses (Progressive, Perfect)Adverbial Clauses-ing &-ed AdjectivesIf Conditional Zero and OnePrepositions & Prepositional PhrasesHave as verb and auxiliaryModals and VocabularyDo not- Does notOther quiz:
Grammar › ViewI’m seeing Daniel tonight.
A. I going to see Daniel tonight.
B. I’m going see Daniel tonight.
C. I’m go to see Daniel tonight.
D. I’m going to see Daniel tonight.
Gerund and Infinitives › View
Her parents would like _________ to her graduation ceremony.
A. being invited
B. to invite
C. to be invited
D. to be invite
Grammar › ViewAll staff in this restaurant ____ an urgent meeting right now.
A. are attending
B. is attending
C. attends
D. attend
Grammar › View
Could you tell me ________?
A. the bus stop is where
B. Is where the bus stop
C. Where the bus stop is
D. Where is the bus stop
