It was _____ several years ____ I had an opportunity of seeing the bird again .
| A．for; before | B．not for ; that | C．for ; when | D．not for ; then |
A severe drought over the past months has left 7.5 million people without ________ drinking water in two southwestern Chinese provinces.
| A．frequent | B．private | C．permanent | D．adequate |
Stronger and more lasting memories are likely to be formed ________a person is relaxed.
| A．where | B．unless | C．when | D．although |
British scientists said teenagers are programmed to take risks because they enjoy the thrill of dangerous situations________ others.
| A．more than | B．less than | C．other than | D．rather than |
Everyone wants to live in a beautiful, comfortable and “livable ” place, but not ________ know where it is.
| A．some | B．either | C．all | D．both |
The comedy Tooth Fairy is based on the story all western children know: If a kid leaves a tooth under their pillow, they’ll receive a visit from the tooth fairy, who takes the tooth and leaves a gift ________.
| A．in general | B．in exchange | C．in total | D．in common |