The government plans to bring in new laws ________ parents to take more responsibility for the education of their children.
A．forced B．forcing
C．to be forced D．having forced
________ the right kind of training，these teenage soccer players may one day grow the international stars.
A．Giving B．Having given
C．To give D．Given
Please do me a favor—________ my friend Mr.Smith to Youth Theater at 7：30 tonight.
A．to invite B．inviting
C．invite D．invited
Nowadays people sometimes separate their waste to make it easier for it ________.
A．reusing B．reused
C．reuses D．to be reused
At the age of 29，Dave was a worker，________ in a small apartment near Boston and ________ what to do about his future.
A．living；wondering B．lived；wondering
C．lived；wondered D．living；wondered
When he ________ the door，he found his keys were nowhere.
A．would open B．opened
C．had opened D．was to open
