Have you found your lost dictionary?—-No,I haven’t found_____,but I bought _______this morning.

What _____ he doesn’t come to your party?—Well, I don’t mind.[ ]

Have you ever seen a panda , Linda?—Yes , I just saw _________at the zoo last Sunday .

With the development of science and technology，there is no doubt ________ Chinese astronauts will land on the moon in the near future.

I saw Helen at the party last month. It _________ a year since we met last time.