______ you eat the correct foods ______ be able to keep fit and stay healthy.
The police found that the flat ______ and a lot of things had disappeared.
There are over 58, 000 rocky objects in _______ space, about 900 of which could fall down onto _______ earth.
– Shall we go to the concert this evening? – _____, but I have an exam tomorrow.
No one likes a person who _____ himself more than anyone else.
– Have you ever been to the city before? – No. This is the first time I _____ here.