I think _________ necessary for students to take an interest in all subjects.
—Can you go to the Science Museum with me tomorrow? —_________But I have to study for my math test.
—You look so happy, Linda. —Yes, Sandy. I have______ to tell you.
—How are you going to the supermarket? —We are going there bike.
My book is different from yours.
It’s not difficult to learn English well.