Fill in ALL the gaps.
THEN press "CHECK".

1. If you [to run] faster than me - and I do not think that you can - you [to win] the race. → If you faster than me - and I do not think that you can - you the race. 2. If he [to ask] me last year to marry me I [to marry] him for sure. → If he me last year to marry me I him for sure. 3. We [to see] him if he [to come] today and I am sure he is going to come. → We him if he comes today and I sure he is going to come. 4. If I[to be] you I [to do] my homework. → If I you I my homework. 5. Snakes [to learn] to fly if evolution [to go] differently, but as it is they have no wings. → Snakes to fly if evolution differently, but as it is they have no wings. © M.Schmoller