—______ there is no water left on the earth? —I really don’t know.
| A．So far | B．Even though | C．What if | D．Ever since |
Li Ming plays the piano ___ a hobby.
| A．as | B．of | C．be | D．make |
Lucy is interested in ___.
| A．swim | B．to swim | C．swiming | D．swimming |
Although they are twins , Jack is __taller than Jim .
| A．much | B．very | C．quite | D．more |
It ___Mr. Li three hours to finish his work yesterday .
| A．cost | B．paid | C．spent | D．took |
That great ___ has __ _many ___ so far .
| A．invent, invention, inventor |
| B．inventor, invented, invention |
| C．inventor , invented, inventions |
| D．inventor, invents, inventions |