Write A, B, C, or D which best completes the sentences

A. go out

B. going out

C. to going out

D. going on

A. careful

B. careless

C. carefully

D. carelessly

A. Therefore

B. so

C. However

D. Moreover

A. environment

B. deforestation

C. pollutants

D. complication

A. in

B. into

C. on

D. onto

A. so

B. because of

C. since

D. but

A. moreover

B. and

C. however

D. but

A. short

B. shortage

C. shorten

D. shortening

A. careful

B. carefully

C. careless

D. carelessly

A. because

B. so

C. because of

D. as