Mr. Zhang once taught in a remote village in Anhui province as a volunteer, _______was accessible only on foot.
It’s extremely dangerous for the drivers to ________ speed as the traffic lights are changing.[ ]
I wonder if he ______ this weekend, —If he _____ , I’ll let you know
_______they visited the Science Museum,they showed great interest in everything they saw. [ ]
Nothavingfinishedhishomework,______towatchTV