[ Auxiliary Verbs ]
When you ___ feeling tired, you need to take some rest.
A. are
B. am
C. be
D. were

Random Topics:
Conjunctive Adverbs-ed and -ing AdjectivesSentence StructureModals - Have to or ShouldIntermediateSentence Structure and Pronoun AntecedentIrregular Plural NounsSubjunctivePresent Continous TenseTenses StructureOther quiz:
Grammar › ViewThey … sports clothes in the gym or they won’t be allowed to play.
A. must wear
B. should wear
Grammar › View
Choose the word whose underlined part differs from that of the other three in pronunciation.
A. skill
B. split
C. children
D. finance
Grammar › ViewWhat characterizes a complex sentence?
A. It has only one clause.
B. It contains an independent clause and at least one dependent clause.
C. It consists of two independent clauses.
D. It doesn’t have a subject or a verb.
Grammar › View
I ____ watching TV.
A. am
B. is
C. are
