Children need many things,but ______ they need love.
A first of all B above all C after all D at all
The unpleasant feeling of coldnets disappeared at the ______ of teenage students pouring out of their classroom to give him a warm,wordless welcome.
A view B scene C sight D sign
According to the recent research,heavy coffee drinking and heart attack is not necessarily ______ and effect.
A reason B course C fact D cause