54. The football fans cheered their team _____ the entrance _____ the field.
| A．at; on | B．in; at | C．at; to | D．on; at |
He was late for the meeting _________ the heavy snow.
| A．as a result | B．because of | C．as a result of | D．in the result |
They tried to convince her _______ his innocence.
| A．of | B．about | C．to | D．in |
We can never expect ______ bluer sky unless we create _______ less polluted world.
| A．the; a | B．a; a | C．the; the | D．a; the |
Was he sorry for what he’d done ?
| A．No wonder | B．Well done | C．Not really | D．Go ahead |
With Father’s Day around the corner ,I have taken some money out of the bank ______ presents for my dad.
| A． buy | B．to buy | C．buying | D．to have bought |