21. You have changed so much that I hardly ___you when I met you in the street.
A. imagined B. recognized C. realized D. understood
22. Jason said he _______ born on April 25, 1987 in a small village.
A. has been B. was C. had been D. is
23. Please ________ the numbers and I’m sure they will ________ more than 1,000.
A. add up; add B. add up to; add up C. add up; add up to D. add; add up
