1) if i (have) ..... enough money , i (take) .... your advice.
2) you may borrow as many book as you like provided you show them to ...... is at the desk .
a) who b) whom c) whoever d) which
3) the little girl .... when she fell
a) hurt himself b) hurt herself c) has hurt d) hurt
cho em xin thêm giải thích với ạ em cảm ơn