Eating too much fat can______ heart disease and cause high blood pressure.
| A．result from | B．contribute to | C．attend to | D．lead in |
More and more people would like to live in the countryside ______ the air is fresher and the price of housing is lower.
| A．that | B．where | C．which | D．for which |
There are many mistakes in your homework. You should ______ special attention to the correct use of tenses.
| A．focus | B．pay | C．require | D．get |
Her gentle smile at the meeting put everyone ______.
| A．at peace | B．at present | C．at best | D．at ease |
The company offers many opportunities for professional（职业的） ______.
| A．achievement | B．approach | C．development | D．purpose |
The couple went to a birthday party, ______ their little daughter alone at home.
| A．leave | B．left | C．leaving | D．having left |