I graduated from college twenty years ago and I ____________ as an English teacher in this middle school ever since.
A．worked B．have been working C．had worked D．was working
___________ ability and experience, he can’t be compared with you.
A．In terms of B．In case of C．In favor of D．In face of
___________Mrs Smith worked day and night, he found it difficult to make enough money to support such a large family.
A．Since B．If C．Once D．Although
___________ with the size of the whole earth, the biggest ocean does not seem big at all.
A．Compare B．Comparing C．When compared D．When comparing
The number of private cars in urban areas should be limited ___________the number of public buses should be increased.
A．when B．while C．unless D．until
the teacher us, we can make great progress.
A．With; to lead B．With; lead C．As; lead D．As; leading
