1.This watch is _______ by hand, not by machine, so it is very expensive.
2.These two horses look so much alike that we can not _______ one from the other.
3.The president of that company was very calm during the political _______.
4._______ is usually the chief enemy of the camera lens.
5.The _______ left the ship after sixty hours of hard struggle.
6.On our way to Beijing, we visited Xi’an, a city of two million _______, and stayed there for two days.
7.One of the main reasons for air pollution is that many cars _______ smoke into the atmosphere.
8.Don’t forget to _______ to let us know you arrived safely.
9.She gave him a _______ that she could not come to his party.
10.When the temperature is below zero, water will _______.
1.D 2.C 3.D 4.C5.C
6.C 7.C 8.A 9.D 10.A