--Why do you look worried?--I’m looking for my pet dog but I can’t find it______.A. somewhere B. anywhere C. everywhere
----Have you finished writing the letter_______? ----Not ______
He’s gone to the library ,_______ he ?
---Did you get there by _____bike? --- No, I took _____taxi.
He’ll phone you as soon as he ________ Beijing .
It takes him too much time __basketball. He should spend more time __his homework.