With the aid of the scientists, more new facts about the sea will _______ gradually.
| A．bright to light | B．come to light | C．see through light | D．giveout light |
At the beginning of the twentieth century,___the population all over the world?
| A．what was |
| B．what were |
| C．how many are |
| D．how much is |
Most environmental problem exist because___measures for preventing them were not taken in the past
| A．adequate |
| B．enough |
| C．many |
| D．much |
He talked happily about the men and the books___interested him greatly in the school
| A．which |
| B．that |
| C．who |
| D．when |
—Do you have anything in mind___you’d like for supper?
—Well,___is okay with me
| A．that;anything |
| B．which;everything |
| C．what;nothing |
| D．whether;something |
I refuse to accept the blame for something ___was someone else’s fault
| A．who |
| B．that |
| C．/ |
| D．which |