[ Grammar ]
A catalytic agent such platinum may be used so that the chemical reaction advances more rapidly.
A. such
B. so
C. advances
D. rapidly
Random Topics:
Conditional Sentences Type 1Definite and Zero ArticleNoun ClausePunctuation and GrammarSimple Past TenseFuture Perfect ContinuousIndefinite and Intensive NounPhrase vs ClauseModal VerbActive and Passive voiceOther quiz:
Vocabulary › ViewThis word means to ask for something.
A. attracted
B. request
C. soared
D. honest
Vocabulary › View
Sam was not dressed appropriately for the special occasion. He wore a flat gray cloth cap, a _________ t-shirt, and cowboy boots.
A. dingy
B. lash
C. definite
Grammar › ViewAndrew had a job as a shop assistant during his ____________________.
A. working holiday
B. school camp
Grammar › View
Ali: I can’t believe I lost my wallet! Sara: ___________ it at the café yesterday?
A. Did you leave
B. Have you left
C. Were you leaving
D. Do you leave