Some warned that the step the US government has taken to cope with the current crisis is ________ much risk.
| A．one of | B．the one of | C．the one | D．that one |
You still go to the gym every day, ______ you?
| A．do | B．don’t | C．are | D．aren’t |
The boy ______ is standing at the school gate is our monitor.
| A．which | B．whose | C．who | D．when |
Alice wants to become ______ singer when she grows up.
| A．不填 | B．the | C．an | D．a |
_______ I accept that he is not perfect, I do actually like the person.
| A．While | B．Since | C．Before | D．Unless |
At the railway station, the mother waved goodbye to her daughter until the train was _______.
| A．out of sight | B．out of reach | C．out of order | D．out of place |