As we all know, regular exercise can be _____to health.
| A．suitable | B．harmful | C．absent | D．beneficial |
They started off late and got to the airport with minutes to _______.
| A．spare | B．catch | C．leave | D．make |
If the horse won today, it _______ 30 races in five years.
| A．would have won | B．must have won |
| C．won | D．has won |
He hasn’t slept at all for three days. _______ he is tired out.
| A．There is no point | B．There is no need |
| C．It is no wonder | D．It is no way |
— Do you have any idea what Paul does all day?
— As I know, he spends at least as much time playing as he _______.
| A．writes | B．does writing | C．is writing | D．does write |
It is no _______ arguing with Bill because he will never change his mind.
| A．use | B．help | C．time | D．way |