Some plants are so difficult to grow that they can only ______ in a perfectly clean environment.
A.communicate | B.exchange |
C.survive | D.afford |
The system is designed to give students easy ______ to the digital resources of the library.
A.passage | B.way | C.approach | D.Access |
One of the most important problems we will have to solve is ____of students’ learning method.
A.that | B.this | C.what | D.Which |
The house is nice, but ______ too small for a family of five.
A.rarely | B.fairly | C.rather | D.Pretty |
______ from what he said, he must be the thief who has stolen the car.
A.Judging | B.Judged | C.To judge | D.Judge |
They were surprised that a child could work out the problem ______ they themselves couldn’t.
A.once | B.while | C.then | D.If |