Much more attention should_______ when we have exams.
—Are Lily and Jack from the U.S.A.?—Yes, ________. A. she is B. he is C. they are
—Welcome to Haikou, Lucy!—________. A. Thanks. B. That’s OK. C. How do you do?
— Will you be able to come and help us clean the room?— ______, but I’m doing my homework.
— How long have you been collecting shells?— ______.
Many teenagers have hobbies. But sometimes these hobbies can get ______ of schoolwork.