My little boy Tom never screams though he is scared.
Giải chi tiết:
scared = sợ hãi
A. bị thương
B. sợ hãi
C. xấu hổ
D. bối rối
Around 150 B.C. the Greek astronomer Hipparchus developed a system to classify stars according to brightness.
Biogas can be utilized for electricity production, cooking, space heating, water heating and process heating.