I received a call one morning from a lady, but she phoned________, as she kept asking to speak to someone else who I didn’t know at all.
| A．by accident | B．by mistake | C．by chance | D．by force |
My parents live in a small village. They always keep candles in the house _____ the electricity is cut off.
| A．if | B．in case |
| C．unless | D．so that |
I know a little bit about Italy as I _____ there several years ago.
| A．went | B．had been |
| C．are going | D．have been |
By the end of Last year, we _____ more than 1,100,000 cars.
| A．were producing | B．produced |
| C．had produced | D．would produce |
Now their talks have reached a key stage________one side must give in to the other.
| A．which | B．that | C．where | D．how |
There is a big garden in the residential buildings，________actually has become a good place for people to meet and communicate.
| A．where | B．in which | C．that | D．which |