Many people agree that _________ knowledge of English is ________ must in international trade today.
2,000 adults will be questioned to see ______ they think ghosts are real on Halloween.
______ the instructions very carefully when filling in the form.
She laid a tablecloth ______ the dining table to keep dust ______ it.
Kathie is reading the note which ______ in the drawer the other day.
---John, ______. Help yourself to the tasty hot pot. You can't find a more delicious dish. ---Oh, ______! The taste is too sharp-I can't really take it.