Mike, let’s prepare for our baseball game.-OK. We’ll lose the game ______ we try our best.

下列各句中，没有语病、句意明确的一句是（ ）

Which sign will you probably see in the museum

Modern science has given clearevidence ______ smoking can lead to many diseases

There are________ books on the teacher’s desk, 15 Chinese books and 14 math books.