Visitors ________ not to touch the exhibits.

 Fei Junlong’s wife and his child ________ to see him off before the launch, but they failed because of the rules.

They _______ on the program for almost one week before I joined them, and now we ________ it as no good results have come out so far.

The train ＿＿＿＿＿ at the present speed until it reaches the foot of the mountain at about nine o’clock tonight. 

I first met John at my sister’s wedding. He _________ with the bridegroom at the time.