This is a very lovely doll. I’ll buy it _____.
| A．how much may it cost | B．no matter how it may cost |
| C．however much it may cost | D．how may it cost |
. Evidence came up ________ specific speech sounds are recognized by babies as young as months old.
| A．that | B．whose | C．which | D．what |
. The theory is of great important ________ the hotter a body is, the more it radiates.
| A．that | B．when | C．which | D．what |
. There’s a feeling in me ________ we’ll never know what a UFO is – not ever/never.
| A．that | B．which | C．of which | D．what |
. There are signs ________ restaurants are becoming more popular with families.
| A．that | B．which | C．in which | D．of which |
. Now that energy prices are rising so rapidly, further prices are very uncertain, and the risk ________ a new investment depending on them may fail is greater.
| A．by which | B．of | C．that | D．in that |