ousin is said ________ anew computer program recently, but do you know when he will finish it

Why don’t you listen to tapes to improve your listening skills—It’s _______ difficultfor me ______ follow.

Writing has ________ much of my spare time, but it has given me a great deal of pleasure. [ ]

I thought I knew the way to the Botanic Garden, but ______ I got lost.

“Would youcome to see me tomorrow” — “_________”.