Little Bob is often educated by his parents to be good and friendly to anyone even if ________.
A．attacking B．is attacked
C．to be attacked D．attacked
________twice a year，whether it is a car or a bus or a truck，is the rule that every driver must obey in this city.
A．Examining
B．Examined
C．Being examined
D．Having been examined
Yesterday a streetbeggar bought a lottery ticket purposelessly，________him a millionaire overnight.
A．making B．makes
C．to make D．made
Now that we’ve discussed our problem，are people happy with the decisions ________？
A．taking B．take
C．taken D．to take
He hurried to the station，only ________ that the train had left.
A．to find B．finding
C．found D．to be found
You should understand the traffic rule by now.You’ve had it ________ often enough.
A．explaining B．to explain
C．explain D．explained
