What do you think of David ? — There are some things that are not easy to , and his coldness is one .

Would you like some candies–_______. I have got a sweet tooth.

It’s dangerous to swim here. Look at the sign!—Oh, I _______ it.

MyfamilyaswellasI _________gladtoseeyou.

Are your parents doctors, too——No, they are teachers. ___ of them loveteaching very much.