Câu 1: Lan (be)..

..... at her lesson for six hours.

Câu 2: My mother (not/have) any fun a long time.

Câu 3: My friend (not/ play)........... football since last year.

Câu 4: He (not/have).......... a shower since Thursday.

Câu 5: Tan (not/visit)........... DaLat for five years.