There is ______ thing as a free lunch. There may be a hidden cost.
| A．no such | B．not such | C．no so | D．not so |
The expert offered us another piece of advice , ___ of great help to our program.
| A．I think it is | B．I think which is | C．which I think it is | D．which I think is |
---What caused the party to be postponed?
----_____the invitations .
| A．Tom to delay sending | B．Tom’s delaying sending |
| C．Tom delaying to send | D．Tom delayed to send |
After you’re done with the application form , send it to ___ is in charge of sales.
| A．who | B．whatever | C．no matter who | D．whoever |
Hardly _____ closed my eyes ___ I began to make this fantastic dream .
| A．had I , when | B．I had , when | C．did I , than | D．I did , than |
Lily didn’t come to the party last Sunday. ____，she would have made the party more exciting .
| A．If she came | B．Would she come | C．Had she come | D．Did she come |