He is clever and has a for learning language.
Peter has many friends,______can help him .
He is always helping people without expecting anything________.
------Shall I give you a ride as you live so far away?------Thank you,________.
There might be life on other planets, but so far scientists haven't found enough ________ to prove it.
If you go there by ____train ,you can have quite a comfortable journey ,but make sure you get ___fast one.