You can’t use the machine today because some parts this week.
| A．are replaced | B．are being replaced | C．have replaced | D．are replacing |
—Shall we go for a during at one o'clock this afternoon?
—_______.Will two o'clock be OK?
| A．Sure ,it's up to you | B．Sure, no problem |
| C．Sorry, I can't make it | D．Sorry, I'm not available today |
Although Rosemary had suffered from a serious illness for years, she lost______ of her enthusiasm for life.
| A．some | B．neither | C．none | D．all |
The childrenlost in the woods; otherwise, they would have been at the lakeside camp as scheduled.
| A． | must have got | B． | must get | C． | should have got | D． | should get |
It remains to be seenthe newly formed committee's policy can be put into practice.
| A． | that | B． | which | C． | what | D． | whether |
Marco Polo is said to have sailed on _______Pacific Ocean on his way to Java in ______thirteenth century.
| A．the; a | B．a;不填 | C．不填;the | D．the; the |