---It is hard to ______ such an unpopular policy.---I can’t agree more. Not many people will ______ it.
It took him a long time to ______the skills he needed to become a professional artist.
I’m so glad you’ve come here to ______this matter in person.
They’ve made full preparations, but it remains ______whether they will be able to do a good job in the experiment.
The blue sky of the holiday brochure was such a ______this rainy March day.
Who will be in charge in ______ of our boss?