chon dap an dung
1.A business that get off the ground .........................
A. is successful
B. stay until it is clear
C. can advance to a higher position
D. makes a smooth transition
2.Having a part- time job..................
A. is a good way to try another career
B. sounds glamorous
C. is very stressful
D. builds up a person’s career
3.Local people can exchange trash for fresh ………….. – such as potatoes or oranges – or for bus tickets.
A. products
B. produce
C. vegetables
D. fruits
4.Elephant communication patterns are a ………………. of elephants’ intelligence. When two female elephants meet after a short separation, they are less …………….
A. demonstration – demonstrating
B. demonstration – demonstrative
C. demonstrative – demonstration
D. demonstrated – demonstrate