He is a great scientist．He never regards his physical problems________terrible problems．
A．for
B．of
C．as
D．about
—What are they doing now？
—They are________the hill．
A．searching
B．searching for
C．searching of
D．searching about
—We all went to the cinema except you last night．Why didn’t you come？
—Because I________that movie twice．
A．have watched
B．had watched
C．was watching
D．would watch
Each of the students________going to visit the Great Wall next Sunday．
A．is
B．are
C．am
D．be
You need________the trees，because the weather is too dry and the trees need________．
A．to water；to water
B．to water；watering
C．watering；to water
D．watering；watering
The shop assistant is unfriendly，so we won’t go to the shop________．
A．any long
B．anymore
C．no longer
D．no more
