Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.

Housework is less tiring and boring thanks to the invention of _______devices

A. environment-friendly

B. time-consuming

C. labor-saving

D. pollution-free

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions from 5 to 16.

Housework is less tiring and boring thanks to the invention of ______ devices.

A. labor-saving

B. environment-friendly 

C. pollution-free  

D. time-consuming

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.

The minister ________ to say whether all the coal mines would be closed.

A. refused

B. avoided

C. denied

D. bothered

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.

The world is becoming more (A) industrialized and the number of animal (B) species that have becoming (C) extinct (D) have increased. Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions

A.  industrialized

B. species

C. extinct

D. have

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.

My father has to work ________ a night shift once a week

A. at

B. in

C. on

D. under

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.

Synchronized swimming is a sport in which groups of swimmers _________in patterns in

the water to music.

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.

Synchronized swimming is a sport in which groups of swimmers _________in patterns in the water to music.

A. go

B. move

C. dive

D. jump