the instructions on the packet when you take the drug and the drug, I think, will work soon.
| A．Follow | B．To follow |
| C．Following | D．Followed |
He some French while he was away on a business trip in Paris.
| A．made out |
| B．picked up |
| C．gave up |
| D．took in |
As we all know, the sooner coastal populations are a coming tsunami, the greater their chances of escaping.
| A．used to |
| B．informed with |
| C．warned of |
| D．known about |
The seller would sell the skirt for fifty dollars, but the customer only half the price.
| A．asked |
| B．charged |
| C．sold |
| D．offered |
It is much better to ask someone for advice rather than something.
| A．risk doing |
| B．risk to do |
| C．to risk doing |
| D．to risk to do |
The professor can hardly find sufficient grounds his argument in favor of the theory.
| A．which to base on |
| B．on which he bases |
| C．to base on which |
| D．which to be based |