If Tim carries on working like this, he'll ________ sooner or later.
Evidence of a powerful volcano, which erupted under the ice sheet of West Antarctica around 325BC and might still be active now, __________ so far by British scientists.
The reason why the girl decided to leave her boyfriend was that she didn’t feel _________.
Your as a student will be excellent if you develop a habit of reflecting on how you learn.
It rained heavily in the south, ______ serious flooding in several provinces.
We are all able to live a green life. For instance, we can get something repaired ____buy a new one.