Scientists are trying their best to_______ ways to treat the terrible disease caused by Ebola(埃博拉）．
| A．come up with | B．look forward to |
| C．talk about | D．give up |
Lucy isthan Lily .
| A．more outgoing | B．most outgoing |
| C．the more outgoing | D．the most outgoing |
I haveto tell you.
| A．anything exciting | B．exciting something |
| C．exciting anything | D．something exciting |
Who listens, Tom, Jack or Bill?
| A．the most carefully | B．more carefully |
| C．the most careful | D．more careful |
It’s kindyou to help memy math.
| A．for; at | B．for, with |
| C．of, with | D．of, at |
Look! Your bag is a little smaller than .
| A．his | B．her | C．my | D．their |