There is no bridge or boat. It’s difficult for people_____the river
A. cross B．to cross C. crossing
My parents were worried________my grandmother’s health．
| A．for |
| B．with |
| C．about |
| D．of |
________of us wants to go to the park today，because we have to finish so much homework．
A．Either
B．Both
C．Neither
根据汉语意思翻译句子。
我感到很惊讶，我和大卫都未受邀参加这个晚会。
I felt surprised that________David________I was invited to take part in the evening party．
He’s not a perfect child．He sometimes talks back________his parents talk with him．
| A．if |
| B．before |
| C．when |
| D．until |
Keep on．Don’t stop．The you climb，the________you will see．
| A．highest；farthest |
| B．highly；farther |
| C．high；far |
| D．higher；farther |