With ______ help of WWF, many endangered species are now enjoying a peaceful life in ______ wild.
| A．/; the | B．the; the | C．the; / | D．/; / |
These two areas are similar ________ they both have a high rainfall during this season.
| A．to that | B．besides that |
| C．in that | D．except that |
When you go outing with your sisters, you must see to ________ that they are safe.
| A．everything | B．it | C．them | D．yourself |
A model or an experiment in a science class can help students see things which would ______ remain hidden.
| A．otherwise | B．still |
| C．thus | D．therefore |
Written in a hurry, ________. How can it be satisfactory?
| A．they found many mistakes in the report |
| B．Sam made lots of mistakes in the report |
| C．there are plenty of mistakes in the report |
| D．the report is full of mistakes |
Is ________48 hours________ the man- made satellite ________ is made in our country to orbit the planet around?
| A．it; that; where | B．it; when; what |
| C．it for; that it takes; that | D．it; that it takes; which |