What do you think of ____________ 8th China Flower Expo in our city— It was ____________ big success, I think.

This time last year I paid a visit______Shandong which is 5000 kilometers _____

Can I call you back at two o’clock this afternoon? —- I’m sorry , but then I ______ to Beijing How about five ?

in Nome all haddiphtheria, a disease that spreads very fast. If ________, it would produce apowerful poison that would kill the patient.

She is looking forward________to the ball.