In LA Lingling lived with Smiths and got on well with the host family.A. a B. the C. /
Which of the following signs can’t be found in a hospital?
—Our school is so big. We must clean it up as soon as possible. —Don’t worry. ________.
-Hello, Jenny. Your box looks so heavy. Let me give you a hand. -_______I'm OK.
His father had an important meeting just now, _______?
-_______ can the batteries (电池) keep these cool iPhones and iPads working? - For about ten hours.