Rewrite the following sentence correctly using colons and/or semicolons. We will begin testing in a few moments however, you must have your test ticket to begin.

We will begin testing in a few moments; however, you must have your test ticket to begin.

Explanation:

This is the answer because:

1) One of the semicolon rules is: Use a semicolon between independent clauses which are linked in meaning with a transitional word. For example, however, therefore, in conclusion, etc.

2) Therefore, we put a semicolon before however.

Hope this helps!