—Oh, Jesus, I can’t cut the durian into two halves however I tried!
—Easy, boy! Why not use _______ knife?
| A．a sharp | B．the sharper | C．a sharper | D．the sharpest |
The question is _____easy, so everyone in our class can answer it.
| A．quite | B．rather | C．fairly | D．very |
Our lab is on the third _____ of a six—______ building.
| A．floor; story | B．floors; stories | C．ground; flat | D．apartment; ground |
The flowers ____ sweet in the garden in spring.
| A．smell | B．to smell | C．smelling | D．smelt |
-----when has the country been open to international trade?
-----1978, I suppose.
| A．Since | B．In | C．From | D．After |
At the meeting they discussed three different____to the study of mathematics.
| A．approaches | B．means | C．methods | D．ways |