Scientists say it may be five or ten years___________ it is possible to test this medicine on human patients.
Most of our classmates are taking a trip to Kenting National Park.
. This story, , is very fascinating: there are many interesting characters in it.
There is a to one’s capacity; one should not make oneself overtired.
to what you think, our TV program has been enjoyed by a large audience.
The postal special service is very efficient. A package sent can be received in a couple of hours.