_____ heat is different from temperature?
It’s the second time that I _______ in Beijing. What great changes! It’s years since I ________ here last time.
— We want someone to design the new art museum for us. — ________ the young fellow have a try?
The new dictionaries are very useful. They ________ well and ________ already .
The little boy is dirty from head to foot because he ________ in the mud all morning.
So many directors ________, the board meeting had to be put off.