GEB1.8 UNIT3

If the British _______(wear) furs, they _______(not/get) frostbite.

The men _____ (not /be) exhausted if they ________(use) dogs to pull their sledges.

If the men __________ (take) essential items only, the sledges ________(not/be) heavy.

They ________ (not become) ill if they had known their canned food was poisonous.

One expedition _________(not/get) stuck on the ice if they __________(speak) to local people.

If the expeditions_________(follow) local customes, they ____________(be) successful.