I didn’t feel like ________, so he suggested ________ an English song right away.
The Great Wall travel _______deep valleys, ________deserts and ________mountains.
The two boys fought and fought until one_____________.A. gave up B. gave in C. gave away D gave off
What an important role the Internet _____ in our life! One can hardly imagine ____ life would be like without it.
He looked at the envelope(信封) and _____ Jenny’s handwriting immediately.
American English has changed _______ the centuries. There are several reasons _____ this.