下列各句中，没有语病的一项是

Mr Bryan is a/an _______ secretary in our office, for he is able to do tasks successfully, without wasting time or energy

_______ natural resources it is one of the poorest countries in Europe

Do you like chatting with your friends on the telephone or mobile phone-_________. I would rather __________ QQ.

If we do nothing, the oceans ______ fish desserts.