The singer ( came / has come ) to Japan two years ago and will come again next month.

• came

• has come

"I ( didn't see / haven't seen ) him since last Friday." "I heard he's been sick."

• didn't see

• haven't seen

"I ( didn't send / haven't sent ) him the letter yet." "You should hurry up."

• didn't send

• haven't sent

Paul ( played / has played ) baseball when he was in junior high school.

• played

• has played

Bob and Tom ( have played / have been playing ) tennis since 2:00. They must be tired.

• have played

• have been playing