The foreigners arrived _____ Beijing two weeks ago.[ ]

Would you like an ice­cream，Diane?—No，thanks.I ____ eat them.They’re bad for my teeth.

My father _________ Beijing many times. He _________ there again last week.

It ____him half an hour to do his homework every day.

It was the training that he had as a child________made him such a good pianist, received by teenagers as well as adults．