Teenagers are often treated like ______ bigger children, but they are old enough to be independent.
| A．approximately | B．slightly |
| C．extremely | D．obviously |
—My son is addicted to computer games. He is hopeless, isn't he?
—Yes, ________ he is determined to give up and start all over.
| A．if | B．when |
| C．even if | D．unless |
It hasn't been made clear ________ the new underground line is to be open to traffic.
| A．when | B．that |
| C．what | D．where |
The tour pal lost his way in the mountain; ________ made things worse was that it began to rain.
| A．that | B．what |
| C．which | D．who |
—Sir, I feel it complicated to apply to a university abroad.
—Why not read our guide? This is ________ the relevant information is available.
| A．what | B．how |
| C．where | D．why |
The problem is ________ sometimes when we are given something on a constant basis, we start to take them for granted and forget being thankful for what we already have.
| A．that | B．how |
| C．where | D．which |