What do you plan to do after the concert?— Since the concert _____ at 10:00p.m., we will just go home after that.[ ]

The ground is wetIt must have rained last night, ______it?[ ]

Is it convenient to you if I call you up at 9 o’clock tomorrow morning? — I’m afraid notI _________ a speech then

What do you think of the weather in Nanjing—-It’s warmer than________ in Beijing.

They wanted to buy some cards for their teachers, butthere were _______left in the shop.