1.Running can increase the .......of your bones , it is good for your heart and it can help with weight loss .
A.strong B.strongly C.strength D.strengthen
2. We have just bought a new house that it right .....the sea.
A.by B.in C.at D.on
3.A: " How long have you been here?"B:"......
A.Since a week B. Last Sunday C. For two days D.In five days