[ TOEFL ]
Nimbostratus clouds are thick, dark grey clouds __________ forebode rain.
A. what
B. which
C. what they
D. which they

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Modal Verb Gerund or To InfinitiveGrammar (either..or.. and neither..nor..)Object PronounsDirect and Indirect QuestionConstrative ConjunctionAdjectives & Preposition“Put” Phrasal VerbPreference & Future TenseModals of PredictionNounsOther quiz:
General › ViewMy little girl is bubbly and talkative. However, she will become shy and quiet in front of my friends as if the _____________.
A. ball is in her court
B. world is her oyster
C. ants are in her pants
D. cat has gotten her tongue
Adverbs, Infinitives, Definite Article › View
Angie decided __________ a party and invite all her family
A. to get
B. to meet
C. to have
D. to go
Grammar › ViewA ___________checks out books
A. vet
B. teacher
C. librarian
D. none
Present Perfect › View
Have you ever ____ off your bike?
A. Fallen
B. Fell
C. Fall
