—— Alice came back home the day before yesterday.—— Really ? Where _____ ?
There are several research centers in China ________ a certain disease called Bird Flu is being studied.
The treatment will continue until the patient reaches the point ________ he can walk correctly and safely.
October 15 th is my birthday, ________ I will never forget.
—How did you get in touch with the travel agent, Robin?—Oh, that’s easy. I surfed the Internet and then called one ________ the telephonenumber is provided.
The artist will not paint people or animals but he will paint anything ________ .