根据上句完成下句，且使上下两句意思一致，每空一词。

1. — Could you help me? — Certainly.

    —Could you help me? — __________ __________.

2. Can you take care of my little dog?

    Can you__________ __________my little dog?

3. They often play basketball on Saturdays and Sundays.

    They often play basketball __________ __________ .

4. When does he go to see a film?

    When does he__________ __________ __________ __________ ?

5. Pandas are a little interesting.

    Pandas are                                    interesting.

金属锈蚀是由于货物的（）引起的。

A．腐蚀性

B．热变性

C．挥发性

D．氧化性