It's not safe()in the street.
A、played
B、play
C、playing
D、plays
A、played
B、play
C、playing
D、plays
A、safe for becoming rounded B、safe for hot work C、not safe for personnel D、not safe for hot work
A、Yes, it‘s still early. B、No, thirty minutes is enough C、Yes, the bag is not ready. D、No, I‘ll set off in 30 minutes.
A、It’s on the 18th of March B、I don’t know how to celebrate it C、It’s not easy tor emember it D、I was born in a small village
A、when it is not under strain B、if both ends are made fast C、in an emergency D、at no time