It’s polite ______ “Thank you” when you receive something from someone.
| A．says | B．say | C．saying | D．to say |
It was exciting to see so many elephants__________．
| A．marching and dancing |
| B．marching and dance |
| C．to march and to dance |
| D．marching and to dance |
—The Blacks have _________Hainan Island．
—Oh，really? I have never_________there before．
| A．been to，gone | B．gone to，been |
| C．gone to，been to | D．gone，been to |
－ How long may I ________this book? － For about a week．
| A．borrow | B．lend | C．keep | D．be kept |
We have________ Shanghai since we saw you last month．
| A．been to | B．gone to |
| C．arrived in | D．been in |
In fact，I have lived here ________ 2000．
| A．in | B．for | C．since | D．At |