I _____ Spanish quite fluently, but I haven’t got a chance to use it since I moved to Brazil

The world is changing rapidly and sometimes we find it almost impossible to ________ the advances in science and technology.

The weather turned out to be fine yesterday. I ______ the trouble to carry my umbrella with me.

Officials believe that more than one person _____ for the big fire. [ ]

Let Harry play with your toy as well, Clare. You must learn to___________. [ ]