He is busy preparing a secret present for his Mum, ______ is cheap but special.

–Mom, I will send you a gift for your birthday, ____ beyond your imagination.--Oh, dear, thanks.

---He found a baby in his car when he came back from the supermarket. And         was crying for some milk. --- When was        ?---      was in 2000 when he was still in college. 

So far all cloned animals have suffered from some different serious disorders, ______ dying soon after birth.

 —Which of the caps will you take? --I’ll take _______,one for my father ,the other for my brother.