—I haven’t worked the problem out yet．What am I supposed to do?
—Try again!It’s only________difficult．
A．a lot
B．a bit
C．too much
D．too many
I’m not sure，but he’s supposed________sometime next week．
A．return
B．returns
C．to return
D．returning
—You must________the bottle before you take the medicine．
—OK，I will．
A．break
B．shake
C．cover
D．throw
—A number of foreigners come to see the Great Wall every year．
—Yes．It’s not only famous and beautiful but also the________of China．
A．riddle
B．mark
C．capital
D．symbol
This computer can’t work________．It needs to be fixed．
A．mostly
B．normally
C．hardly
D．usually
In this country，it’s________to stick your chopsticks into your food．
A．right
B．polite
C．rude
D．kind
