The scientists are urging that the chemical _____．
| A．is banned | B．should ban | C．be banned | D．must be banned |
11.Villagers here depend on the fishing industry, ______ there won't be much work.
12.
| A．where | B．that | C．by which | D．without which |
8.All the neighbor admire this family, _________the parents are treating their child like a friend.
9.
| A．why | B．where | C．which | D．that |
6.I'll give you my friend's home address, _________ I can be reached most evenings.
7.
| A．which | B．when | C．whom | D．where |
5.The growing speed of a plant is influenced by a number of factors, _______ are beyond our control.
| A．most of them | B．most of which |
| C．most of what | D．most of that |
4.Occasions are quite rare ______ I have the time to spend a day with the kids.
| A．who | B．which | C．why | D．when |