I ______ sooner but I didn’ t know that they were waiting for me.
| A．had come | B．was coming | C．would come | D．would have come |
---- How is everything going on with you in Europe?
----Quite well. Not so smoothly as I hoped, _________.
| A．though | B．instead | C．either | D．too |
On May 5, 2005, at ________ World Table Tennis Championship, Kong Linghui and Wang Hao won the gold medal in men's doubles with ________ score of 4: 1.
| A．a; a | B．不填; the | C．a; 不填 | D．the; a |
----How long are you staying?
----I don't know.___________.
| A．That's OK | B．Never mind | C．It depends | D．It doesn't matter |
Sales of CDs have greatly increased since the early 1990s, when people_____to enjoy the advantages of this new technology.
| A．begin | B．began | C．have begun | D．had begun |
________ is often the case, we have worked out the production plan.
| A．Which | B．When | C．What | D．As |