Charles did what he could _____ the servant, although he himself was in danger.
The weather forecast says temperature will fall sharply the day after tomorrow, when a snowstorm _________ to strike our city.
I feel greatly honored __________ to take on this role as a Goodwill Ambassador for the UN.
Most people present at the meeting think poorly of the measures taken by the local government, which they think will ________ the worsening of the environment.
.—Jack had a lot of parties recently.—Yes. That might ________ why he did so badly in the last test.
We have very strict quality control and anything imperfect is ________, so customers feel secure about our products.