They (a)   (finish) the exercise.

The school (a)   (change) a lot since I left it two years ago.

(Tom/ clean) (a)   his room?

She (a)   (live) in Japan since 1995.

(a)   (you/ visit) New York?

Jenny and Sam (a)   (perform) the same play since 2017.

My brother (a)   (not/ work) for that company since 2018.

His teacher (a)   (not/ explain) this lesson yet.

My sister (a)   (move) to a new house.

(they /cancel) (a)   the meeting?

cancel: huỷ bỏ, hoãn

We (a)   (not/ talk) about that.

(a)   (you/ turn off) the computer and the printer?

(a)   (they/ log on) the computer?

Mr. Smith (a)   (study) Vietnamese for the last 20 years.

I (a)   (not/ play) tennis since last weekend.

Victoria Falls (a)   (be) a popular tourist attraction for many years.