His funny hat made the students _____ in class.
This kind of T-shirt looks ______ and sells ______.
A tourist will easily lose his way in Beijing ______ he has a map or a guide.
Most Japanese are greatly ___________ by the earthquake.
______ of his time ______ been spent on studies every day.
It’s important ______ us to learn from others. It’s wise ______ you to learn from him.