Since the time humankind started gardening, we _____to make our environment more beautiful.
| A．try | B．have been trying |
| C．are trying | D．will try |
Love is ________ Mummy sees Daddy smelly and sweaty and still says he is more handsome than David Beckham.
| A．that | B．how | C．when | D．since |
Mandela, devoted all his life to the freedom of South African Blacks, is a real fighter for us to ________.
| A．live up to | B．come up to | C．make up to | D．look up to |
Tom concluded his lecture ________ that he couldn’t emphasize enough how important our efforts were.
| A．to say | B．saying | C．said | D．having said |
My mother is the type of woman who suspects that a late night call or a surprise invitation is a ________ of bad news.
| A．symptom | B．solution | C．subject | D．sign |
Jordan kept his illness from his opponents before the final game ________ they might know about it.
| A．now that | B．on condition that | C．for fear that | D．in order that |