--超趕 , 30 marks -- 各位知識朋友 , 入黎幫我手 ar !!! (英文F.1 ) (3)

各位知識朋友 , 入黎幫我手 ar !!!

我有幾條英文問題唔識 , 幫手解答 ar( 英文F.1 )!!!!!!!!!!!!!!!
1.The ________ of a bird or an animal are pointed , hard , curved nails at the end of its limbs. ( 5個英文字母 )
2.This is the only route , so we will have to ______ down this slope ( 7個英文字母 )
3.An _____ is a small creature such as an ant or a mosquito. ( 6個英文字母 )