_____ you eat the correct foods _____ be able to keep fit and stay healthy.
| A．Only if; will you | B．Only if; you will | C．Unless; will you | D．Unless; you will |
Neighbors said they heard the man tell the woman that she couldn’t leave______ she gave back the money borrowed from him.
| A．unless | B．since | C．if | D．though |
The price of gold has jumped to______ new all-time high as debt worries in the US and ______ Europe continue to trouble the world.
| A．the; / | B．the; the | C．a; / | D．a; the |
----Thanks so much for making my stay here so pleasant .
----________.
| A．With pleasure. | B．That’s right . |
| C．Enjoy yourself. | D．Its’ a pleasure . |
It was ______ cold a day that we had to stay indoors.
| A．so | B．such | C．too | D．very |
In recent years, the ______ dry heat had led to a series of natural disasters.
| A．specially | B．extremely | C．entirely | D．actually |