---It ______ be only two days before I have the job interview.
---______ you succeed.
| A．must; May | B．must; Should | C．will; May | D．will; Should |
"Thingsnever come again!"I couldn't help talking to myself.
| A． | lost | B． | losing |
| C． | to lose | D． | have lost |
Most birds find it safe to sleep in the trees,butthey have eggs or young chicks,they don't use a nest.
| A． | why | B． | how |
| C． | unless | D． | where |
By serving others,a person focuses on someone other than himself or herself,_______can be very eye-opening and rewarding.
| A．who | B．which |
| C．what | D．that |
Cathy is taking notes of the grammatical rules in class at Sunshine School,where sheEnglish for a year.
| A． | studies | B． | studied |
| C． | is studying | D． | has been studying |
We live day by day,but in the great things,the time of days and weeks_______so small that a day is unimportant.
| A．is | B．are |
| C．has been | D．have been |