He didn’t go to bed last night until 12 o’clock last night. — Yes. He ______ his experiment over and over, working till midnight.[ ]

Jenny _____ China before. Jenny _____ China two years ago.

The old man needs our help, ______

Do you think Jack is going to watch a football match this weekend? —— ＿＿＿＿＿.

“Look! What ___ ugly woman she is!” The girl pointed to ____ woman and said.