---Do you know the Frenchman?
---Yes. I ______him for two years.
| A．know | B．have known | C．knew | D．have been known |
He rarely switches on to hear any of the classical music he claims to be so keen ____.
| A．to | B．on | C．by | D．into |
______ exceptionally heavily might railway services be temporarily dislocated (扰乱).
| A．If only it snowed | B．Only in case it snows | C．Only were it to snow | D．Only when snow |
Jack is late again. It is _______ of him to keep others waiting.
| A．normal | B．ordinary | C．common | D．typical |
I hope I will not be called on in class as I’m not yet ____ prepared.
| A．attentively | B．readily | C．actively | D．adequately |
A (n)___________ with parliament could rain the government's plans.
| A．collision | B．commitment | C．appointment | D．issue |