[ Present Perfect ]
Carlos ______ (be) diagnosed with asthma since childhood.
A. has been
B. was
C. is
D. has

Random Topics:
Present Perfect and Present Perfect Progressive TensesProgressive Verb TensesPrepositions after Verbs and AdjectiveGrammar - much, many, a lot ofTenses of VerbsShould, Should not havePresent TensesPhrases and TensesMay, MightConditional SentenceOther quiz:
Adjective › ViewI watched …
a. a very interesting old American adventure film.
b. an old American adventure film very interesting.
c. a very interesting old American film of adventure.
Subject-Verb Agreement › View
The bandages on his arm ___ removed yesterday.
A. Was
B. Were
C. Is
D. Are