.Jasmine was holidaying with her family in a wildlife park ____she was bitten on the leg by a lion.
| A．where | B．while | C．since | D．when |
Do you know the boy under the tree_______ is playing with a dog/
| A．which | B．as | C．who | D．what |
Many people believe if you are _______, better things will happen to you.
| A．pessimistic | B．attractive |
| C．optimistic | D．ordinary |
I’ve just read your blood test report and all seems OK, so there’s _______ to worry about.
| A．something | B．anything |
| C．nothing | D．Everything |
--Could you help me with some math problems?
--Sure. That’s _______ I’m here.
| A．whether | B．how | C．when | D．why |
What _________ pity you didn’t go to ______ concert with us! It was so exciting!
| A．不填；a | B．a; the | C．a; 不填 | D．the; the |