There is no to worry. He is old enough to take care himself.A, difference B, need C, possibility D, sense
No ready technical data was ______________,but we managed to go without.
Every solid object______reflect a sound,varying according to the size and nature of the object.
Are you certain that this is _________in his speech?
— How do you Chinese celebrate Mid-Autumn Day?— Well,it depends.For me,I usually sit in the yard,________the full moon with my family.
Although the false banknotes fooled many people,they did not____close examination.