On AIDS Day, the minister of Health Department demanded that the problems ___________ paid special attention to.
They appearedme, so I had to explain to them.
If China’s space technology has achievedbreakthrough in this field, it really is amazing wonder.
Though he is in his late sixties, the well-known biologist begins each day ____ a sense of adventure and a sense of curiosity.
The chairman was about to declare the conference open ____ the lights went all out.
--- Oh, you haven’t read my e-mail? --- Sorry, I haven’t had any ____ to the computer these days.