Lin Tao has returned from the UK recently. He ______ at Cambridge for four years, during which we ______ with each other on the Internet.

A. has studied; has communicated                       B. had studied; communicated

C. studied; had communicated                              D. studied; communicated

We _____ with each other ever since we met three years ago.

　　A. got in touch with B. have stayed in touch with

　　C. have got in touch with D. kept in touch with

Tom and I seldom get together, but we ______ with each other frequently.

A．write           B．correspond         C．respond           D．count

 Lin Tao has returned from the UK recently. He ______ at Cambridge for four years, during which we ______ with each other on the Internet.

   A. has studied; has communicated                B. had studied; communicated

   C. studied; had communicated                      D. studied; communicated

Lin Tao has returned from the UK recently. He ______ at Cambridge for four years, during which we ______ with each other on the Internet

1. A.
   has studied; has communicated
2. B.
   had studied; communicated
3. C.
   studied; had communicated
4. D.
   studied; communicated