－Jeffery seems to go without proper food and sleep for days.
－Leave him alone.That's________he reacts to a lost love.
| A．what | B．how |
| C．why | D．when |
I want to hear from her again， , we have been out of touch for more than thirty years.
| A．What's more |
| B．That is to say |
| C．In other words |
| D．Believe it or not |
Dress warmly, you'll catch cold You see the flu is spreading quickly, right?
| A．on the contrary |
| B．instead |
| C．on the other hand |
| D．or else |
I don't want to some argument about who is to blame，
| A．be connected on |
| B．be linked of |
| C．be involved in |
| D．be related in |
Her rich experience gave her an over other applicants for the job.
| A．analysis |
| B．advancement |
| C．advantage |
| D．acquirement |
Using language is a very complex enterprise， there is more to communicate than merely put sentences together.
| A．On the other hand |
| B．However |
| C．What's more |
| D．Anyway |