cant get into gear unless engines of PLEASE help!?

I was driving today and suddenly couldn't get into fisrt gear when came to a stop at a traffic light I strugled for a bit and managed to force it in 1st gear. I managed to get into a side road and tried all gears, it was struggling and wouldt go in but after about 5 minutes I heard a click and everything went back to normal, I started driving home so I don't break down on road, but as soon as I reached a roundbout and had to chnage gears the problem came back! I couldn't get into any gears and once more forced it in 1st, I stoped on a slip road, and had to call for recovery, the guy was useless he refield my break fliud and tried to pump up the clutch, but the nothing happend so I had the car towed home. Now it don't go in any gears unless the engines of, the revocery guy said the clutch ishnt burned but when I asked for diagnos for the car he had no answers! Please help! What.should I do this is very stresful! This is my fisrt car, and its been nothing but trouble, by the way its a ford ka 1999 manual. Please help with any advice. What should I do? And how much is this to fix? Thank u