[ Grammar ]
Recently, a new vaccine against measles __________.
A. has been developed
B. had been developed
C. had developed
D. was developing
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will, be going to, would like toTenses and ArticleArticle the or zero article (-)Prepotitions-ing form and the to-infinitiveInversion + Passive VoiceClausePast Perfect & Past SimpleSubject Verb Agreement & Subjunctive MoodReflexive Pronouns & Modal VerbsOther quiz:
Grammar › ViewThe evil fox ran quickly into the forest.
Which one is a noun?
A. fox
B. evil
C. quickly
D. ran
Grammar › View
When Felicia woke up this morning, her son __________ his breakfast.
A. eats
B. ate
C. has eaten
D. had eaten
Present Perfect Tense › ViewHave you finished your work _____________?
A. already
B. just
C. yet
Modals › View
——- we have lunch in that restaurant?
A. will
B. shall
C. may
D. could
E. must