__________ to the left at the crossroads, and you will see the railway station on your right.
A．Turning B．If you turn C．Turn D．Having turned
Unfortunately, the research was limited __________ increasing economic profits, _________ protecting the environment.
A．to; other than B．by; rather than C．to; rather than D．by; more than
We have to realize: boys share activities, _________ girls share feelings.
A．while B．when C．as D．since
---- Pity you missed the lecture on nuclear pollution.
---- I _________ it, but was busy preparing for a job interview.
A．would have attended B．had attended C．would attend D．attended
The most important thing about my job is ______ I help protect ordinary people from the volcano.
A．how B．that C．what D．不填
Everyone here will thank the firefighter for the things they have done to prevent fires______ the environment safer.
A．make B．to making C．to make D．from making
