10. C amounted to (相等于)
11. B speaks of (提及)
12. A on social occasion (在社交场合)
13. D close to (接近)
14. C am (根据最靠近的subject,即I)
15. A has come
16. C was(a pair of 视作整体,just now 是指刚才)
17. D are (walking 和riding为不同的activity)
18. C is (Physics 为一项科目,故为单数)
19. A is watching (family 为整体,用单数,除非 family members,则用复数)
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sos的详细翻译:
abbr.国际通用的呼救信号(Save Our Souls)
n.呼救
sos的相关词语:
distress signal遇险信号
cry for help求救
alarm警报
alert警觉的
signal信号
17 c 18 c 19 a