Before the first nonstop flight made in 1949,it______necessary for all planes to land for refueling.
| A．would be | B．has been | C．had been | D．would have been |
If we the other road, we might have arrived here in time for the meeting. (2010 .陕西)
| A．take |
| B．had taken |
| C．took |
| D．have take |
I’d appreciate if you could lend me a hand with my homework.
| A．so |
| B．it |
| C．that |
| D．you |
---- Why didn’t you come to meet me, Bill?
---- Sorry, dear. But I really forgot where I was to meet you.
| A．demanded |
| B．about |
| C．supposed |
| D．suggested |
The police finally caught up with the man was the escaped prisoner.
| A．who they thought |
| B．whom they thought |
| C．they thought him |
| D．that they thought him |
Although he has taken a lot of medicine, his health poor.
| A．continues |
| B．keeps |
| C．remains |
| D．proves |