_______ dangerous the animals are！
| A．What a | B．What |
| C．How a | D．How |
are his brothers.
| A．That | B．It | C．These | D．This |
Thanksyour help.
| A．at | B．for | C．of | D．to |
We’re going for a picnic tomorrow. I _______ whether Jack can come.
| A．know | B．guess | C．believe | D．wonder |
The students were singing an English song _______ Mr. Xiang came into the classroom.
| A．after | B．when | C．before | D．as |
My _______ is keeping pets. I am _______ in dogs.
| A．interest; interested | B．interests; interested |
| C．interest; interesting | D．interests; interesting |