Look, there is “u” and “s” in the word university .

What do you enjoy most ________ in the summer holidays? — Playing table tennis. [ ]

have to hand in our research reportsthis afternoon, Professor Smith— Yes, you _______ . I will be waiting to check themall the afternoon.

You could have asked Mrs Zhang for advice, for she is an expert at it.—Yes, a whole day ________.

Not until I reminded him for the third time _____ working and looked up.