He used to _________ very shy until he gained confidence.
A. Be
B. Being

Random Topics:
Modals and Active and Passive VoicePassive ModalsAlthough, Though, In spite of, DespiteDependent PrepositionTOEIC GrammarPreposition & GerundVocabullary Testand, so, but, becausePrepositionCorrelative conjunctionsOther quiz:
Grammar › ViewWhat is the difference between subject and predicate?
A. The subject is the beginning of the sentence. The predicate is the end.
B. The subject explains what the subject of the sentence is doing. The predicate is the subject of the sentence.
C. The subject is what the sentence is about. The predicate explains what the subject is doing.
D. none of the above
Grammar › View
Ducks ______ birds, but cows _____ birds.
A. aren’t / aren’t
B. aren’t / are
C. are / aren’t
D. are / are
E. is / isn’t
Grammar › ViewWhich answer best corrects the dangling modifier?
Driving in heavy traffic, my head started to ache.
A. Driving in heavy traffic, started to ache my head.
B. Driving in heavy traffic, my started to ache to me.
C. Driving in heavy traffic, I began to get a headache.
D. My head started to ache driving in heavy traffic.
Grammar › View
On my way to school, I ________ an old friend.
A. met
B. meet
C. meets
D. meeting