It began with a “self-discovery” process where each of us _______ a series of tests to determine what it is that we truly love doing.
#99218
A
put off
B
put through
C
put away
D
put on
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When you don’t know a word, you can _________ in the dictionary. 
#99231
A
look it up
B
set it up
C
give it up
D
pick it up
They _____ on the program for almost one week before I joined them, and now we _____ it as no good results have come out.
#101978
A
had been working; are still working
B
had worked; were still working
C
have been working; have worked
D
have worked; are still working
Experiments of this kind ___in both the U.S and Europe well before the Second World War
#100340
A
had conducted
B
have conducted
C
have been conducted
D
had been conducted