TV-Turnoff Week, _______ millions of people around the world participate every year, tries to encourage people to turn on life.
| A．in which | B．on which | C．which | D．when |
We thought _______ strange that Tom did not come yesterday.
| A．that | B．it | C．this | D．what |
That is ______ Lu Xun once lived.
| A．what | B．where | C．that | D．why |
That is _______ he likes the place so much.
| A．that | B．what | C．why | D．how |
It looks _______ it were going to rain.
| A．even if | B．as if | C．even though | D．like |
The problem is ________will go to the meeting.
| A．why | B．when | C．what | D．who |