Mirrors would then concentrate this stream within the tube into a continuous infrared __________ beam.
A. latitude
B. laser
C. mutation
D. magma
Random Topics:
Past Perfect Tense and Past TenseVerb FormArticlePast Simple, Present Perfect TenseFigure of SpeechGrammar RulesConjunctive AdverbSentence Adverbs & Third ConditionalVerb to Be Tenses & Object PronounGerunds + To InfinitiveOther quiz:
Vocabulary › Viewa sentimental longing for things of the past; reminiscence
A. nostalgia
B. felicity
C. wistful
D. irony
Grammar › View
Which sentence correctly uses the verb “to be” in the present simple tense?
A. The students is excited about the field trip.
B. I are looking forward to the weekend.
C. She is an excellent musician.
D. We am going to the library.
Grammar › ViewWhich of these are correct?
A. My mother’s birthday is on monday,
B. My mothers birthday is on Monday.
C. my mother’s is on Monday.
D. My mother’s birthday is on Monday.
Vocabulary and Modals › View
– Excuse me, __________ I use your bike?
– Yes, but you ________ bring it back to me in 1 hour.
A. should, have to
B. could, must
C. must, could
D. shouldn’t, must