The foreign teacher Mr. Halt has a strange way of writing. Here’s a notice from him, but no clear ______ of what he has written can be made at all.
Mr. Smith was so angry at all ______ Bill was doing ______ he left.
_______ has recently been done to provide more buses for the people, a shortage of public vehicles remains a serious problem.
He wondered ________ his son was getting along with the experiment.
In 1492 Columbus and his crew arrived ______ was so-called the New World by the westerners.
—It is _______he often fails in exams_______ makes his parents worried about him. —So, he has to work whole-heartedly.