Exercises

When Edison invented the light bulb, he tried over 2,000 experiments _______ he got it to work.
1. as
2. before
3. when
4. after
-- "Whenever you fall, pick simething up." What does this saying mean?
-- It tells us to _________ hope even when coming across failure; try to learn something valuable from it.
1. look for
2. call for
3. take up
4. get up
He's always helping people without expecting anything ______.
1. returning
2. in need
3. in return
4. to return
Stick to what you think is right, ____ you will gain a surprising happy ending.
1. and
2. before
3. so
4. but
I'm ______ a big journey. I'll visit all the places of interest here.
1. on
2. in
3. at
4. of
It was nine years ago, when I went to France for the first time, ______ I began to learn French.
1. where
2. when
3. that
4. in which
A woman tearfully explained ______ she had recently lost her husband in a car accident.
1. when
2. how
3. why
4. where
No one can _______ how the election will turn out, as there are many unknown facts.
1. protect
2. predict
3. prevent
4. prepare
-- I would never ever trust him again. He let me down.
-- _________.
1. Nor was I
2. So did I
3. Neither would I
4. So would I
When ______ questions in class, one should answer them as clearly as possible.
1. asking
2. asked
3. to ask
4. ask