16Hit1600
Standard English ConventionsVery hardPresent perfect with since

Standard English Conventions practice question

The observatory ____ the comet every night since it was first spotted in March.

Which choice completes the text so that it conforms to the conventions of Standard English?

  1. A. has trackedCorrect
  2. B. tracked
  3. C. tracks
  4. D. is tracking

Answer: A. has tracked

An action continuing from a past point to now takes the present perfect.

Why the other answers are wrong

B. tracked
Simple past does not reach to the present with "since".
C. tracks
Simple present does not fit "since March".
D. is tracking
Present progressive does not pair with "since".

More Standard English Conventions questions

Not affiliated with the College Board. SAT is a trademark of the College Board.