23. Please ask ________ not to skate on the thin ice. It’s very dangerous.
| A．they | B．them | C．their | D．Theirs |
to work on Saturdays, the employees are offered a higher salary.
| A．Expecting | B．Expected |
| C．To be expected | D．Having expected |
—The relation between the actor and his girlfriend has been worsening.
—I know. It has got tothey have to get separated.
| A．where | B．how | C．which | D．what |
If you are not rich by the time you are 35, says Ma Yun, then you the opportunities of youth.
| A．are wasting | B．wasted |
| C．will waste | D．have wasted |
Over 100 passengers lost their lives in the recent air crash, which was a deadly to their families.
| A．defeat | B．challenge | C．barrier | D．blow |
Welcome to my lecture. Hopefully, there are enough seats for each visitor to have .
| A．it | B．ones | C．one | D．that |