________ the afternoon of June 2nd，many foreigners arrived ________ Shanghai．
| A．In；at |
| B．On；to |
| C．In；in |
| D．On；in |
I like playing ______ pipa.
| A．a | B．an | C．the | D．/ |
—You won the first prize in the last Physics competition once again.
—___________. I made several mistakes.
| A．Congratulations | B．It doesn’t matter |
| C．Don’t mention it | D．You must be joking |
Much attention should be paid ____ the wild animals as many of them are dying out.
| A．to protecting | B．to protect | C．protecting | D．protect |
Poor thing! Jack a fall while he on the ice. He got hurt badly.
| A．was having; was skating | B．was having; skated |
| C．had; was skating | D．has had; was skating |
----- How do you like the two pairs of trousers?
-----They don’t fit me well. They are _________ too long ______ too short.
| A．not only; but also | B．both; and | C．neither; nor | D．either; or |