There is a t______________ in our family that we have a party on New Year’s Eve.
Things fall to the ground because of the earth’s ________________.
All the children felt e_______________ after a long journey.
The custom of arranged marriages still ___________(存在) in many countries.
As is known to all, smoking is h______________ to people’s health.
Air is a m_________________ of gases.
To succeed, we must __________________ (结合) talent with hard work.
Children are supposed to avoid watching v_______________ programmes and video games, which are possible to cause them to become more aggressive.
I know you don’t like her but try not to make it so ______________ (明显).
The actor’s performance left a strong i_________________ on the director.