Answer:
2000
Explanation:
bc 50x40=2000 duhhhhhhhhh
“In the meantime” indicates a shift in time.
Formal language is also called "proper language" because it is the type of language you would use when first meeting someone or giving a speech at a high class place so the correct answer is:
<span>B) Have I convinced you that the study of grammar is important and well worth your effort? </span>
there are 2 verbs : 1. writing , 2. learn
as verbs are noting but action words