He found it increasingly difficult to read, ____his eyesight was beginning to fail.

The first snow of every year is always so exciting, but too much snow _________ cause trouble

Judging from his IQ and his present state of study, he _____be admitted to Tsinghua University this yearif nothing special happens. [ ]

Simon is a_______ basketball player. He plays basketball_______.

the baby milk powder was found to be polluted,there has been universal doubt _____ other food products are safe _____