There is ______ “s” and ______ “u” in the word “bus”.
We find impossible forus tolearna foreignlanguage wellina shorttime.
— willyoufinishdoingthework?—In a fewweeks.
China has area of about 9,600,000square kilometers.
—________?—Father’s Day is coming. I’d like to buy a present for my father.
Can you tell me _______ in the future?