How often do I need to feed the dog——It___food everyday, or it will be hungry.
He never _______ hamburger _______ sweets.
23. Each member country of WTO must ______ its laws and regulations and compete on the principle of fairness and co-operation.
Who is the girl stanging over there —Well,if you_______ know,her name is Kate.
Nobody but doctors, nurses or those ______ by Dr Hu ______ to enter the patient’s room[ ]
