Many fans are always collecting a lot of information_____ with their favorite stars.

What were you so ________？-My son’s not passing the college entrance examination ________ me most.[ ]

Let’s go and play ________ table tennis. I don’t want to play ______ guitar.

We are confident that the step the Chinese governmenthas taken to cope with the current crisis is ______ of great significance

Liu Qian is good at doing the tricks with the cards.—Yes, but if you watch carefully, you can see _______he does them.