Liu Xiang found himself by reporters and his fans on his arrival at the airport.
Once out of the earth’s gravity, the astronaut is________ by the problem of weightlessness.
It took Mary quite a long time to ________ a new dress at the store.
—Would you like to go to the cinema with me tonight?— I’d like to, but it remains ________ whether I can finish my homework in time.
—Which of those T-shirts do you like most?—________ of them. They are both nice and comfortable to wear.
Traveling is ______, but we often feel ________ when we are back from travels.