The experiment shows that proper amounts of exercise, if ___ regularly, can improve our health.
| A．being carried out |
| B．carrying out |
| C．carried out |
| D．to carry out |
I'm calling to enquire about the position __________in yesterday's China Daily.
| A．advertised | B．to be advertise d |
C．advertising | D．having advertised |
--I'm not finished with my dinner yet.
--But our friends__________for us.
| A．will wait | B．wait | C．have waited | D．are waiting |
---Good morning. I've got an appointment with Miss Smith in the Personnel
Department.
--Ah, good morning. You __________be Mrs. Peters.
| A．might | B．must | C．would | D．can |
In the spoken English of some areas in the US, the "r" sounds at the end of the words.
| A． | are dropped | B． | drop | C． | are being dropped | D． | have dropped |
It took me a long time before I was able to fully appreciate what they（）for me.
| A． | had done | B． | did | C． | would do | D． | were doing |