_______ are used to protect your hea
A. Helmets
B. Safety goggles
C. Safety boots
查看答案
【C11】
A. stimulated
B. accommodated
C. encouraged
D. tolerated
【C17】
A. off
B. out
C. about
D. through
【C14】
A. vote
B. quiz
C. poll
D. questionnaire
【C16】
A. as
B. though
C. since
D. whereas