I didn’t quite follow him because he explained the theory _____that is too abstract for me.
I can hardly imagine so pretty girl like you ________ boxing.
Personally I think it is the sales manager, rather than the sales girls, _______ to blame.
Everything depends on ________ we have enough time.
Mother made a promise ____ I passed the college entrance examination she would buy me a mobile phone.
---Why did you put the wood near the fire? It’s dangerous. ---Don’t worry. Wet wood won’t _______.