When he was alive, the old scientist used to say that knowledge ＿＿from practice and he gained his experience by doing a lot of practical work.

When he was alive, the old scientist used to say that knowledge ＿＿from practice and he gained his experience by doing a lot of practical work.

#104398

was coming

had come

comes

would come

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They ______ on the program for almost one week before I joined them, and now we _____on it as no good results have come out so far.

#104931

had been working; are still working

had worked; were still working

have been working; have worked

have worked; are still working

---It’s many years since I saw you last time. I _________ you at all. ---I wouldn’t have, either, if someone _________ you by the name.

#102049

don’t recognize; hadn’t called

didn’t recognize; didn’t call

haven’t recognized; didn’t call

didn’t recognize; hadn’t called

If nothing ________, the oceans will turn into fish deserts.

#100592

does

had been done

will do

is done

This is the first time we ______ a film in the cinema together.

#101285

see

had seen

saw

have seen

    Bruce _________his leg when he _____ in a football match yesterday afternoon.

#103664

broke; played

has broken; was playing

broke; was playing

was breaking; played

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