Tom didn’t go hiking with his classmates his illness.A. because B. because of C. since
The visitors are__________ a school trip to the Palace Museum.
— Hi, would you like to come to the dancing party? — Yes, __________.
— Are there pandas here? __________ go and see them? — Yes, let’s go.
—Is this __________ ruler? —No, it’s my ruler. __________ is over there.
_____________ , is this your backpack?