Cho dạng đúng của từ
21/ I was _______________ about the dates. (confuse)
22/ “Time” is an American _____________ news magazine. (week)
23/ Don’t be afraid of the dog. He’s _____________ (harm)
24/ Thank you for the books. They will be very ____________ for my studies. (use)
25/ The children can play here. It’s not ______________ (danger)
26/ Carbon dioxide occurs in the air in a ____________ form. (nature)
27/ She was so surprised that she was unable to speak. She was _____________ with surprise. (speech)
28/ Those berries are _____________ Don’t eat them. (poison)
29/ You are grown up but you are still ______________ (child)
30/ No trees can grow on that soil. It is _______________ (tree)