Food safety is one of the problems now all over the world.
| A．discussed | B．to be discussed |
| C．being discussed | D．having been discussed |
—Do you have Lucy’s phone number?
—Sorry, ____.
| A．I don’t know |
| B．forget it |
| C．I can’t remember it |
| D．here you are |
Was it in 2013, when he was still at a middle school, ________ this boy became an expert at the computer?
| A．which | B．when | C．where | D．that |
—Have you seen the film Under the Hawthorn Tree?
— Of course, I have. It was in our village _____it was made.
| A．that | B．where |
| C．when | D．which |
—Have you got any particular plans for the coming holiday?
—Yes.________I'm going to visit some homes for the old in the city.
| A．If ever | B．If busy |
| C．If anything | D．If possible |
—Have you been to the Great Wall?
—Perhaps not in my memory; ____, it might have been during the early childhood.
| A．if any | B．if so |
| C．if ever | D．if not |