When Edison invented the light bulb, he tried over 2,000 experiments _______ he got it to work.
-- "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.
- look for
- call for
- take up
- get up
He's always helping people without expecting anything ______.
- in need
- in return
- to return
Stick to what you think is right, ____ you will gain a surprising happy ending.
I'm ______ a big journey. I'll visit all the places of interest here.
It was nine years ago, when I went to France for the first time, ______ I began to learn French.
- in which
A woman tearfully explained ______ she had recently lost her husband in a car accident.
No one can _______ how the election will turn out, as there are many unknown facts.
-- I would never ever trust him again. He let me down.
- Nor was I
- So did I
- Neither would I
- So would I
When ______ questions in class, one should answer them as clearly as possible.
- to ask