下列各句中，没有语病的一项是（ ）

The number of _____ species increasesevery year with their natural habitats disappearing.

What do you think of the film Frozen—Cool! Never before ____ a better one.

If we ________ enough preparations, the conference wouldn’t have been so successful.

I’d like your help tomorrow.— No problem, but can you be more _______ so that I can make advance preparations?[ ]