Do not let any failures discourage you, for you can never tell ________ close you may be to victory.
| A．how | B．that | C．which | D．where |
He called at every door, urging that people ________his products.
| A．to buy | B．bought | C．buying | D．buy |
The doctor told me that I would recover from my illness if I ______ a healthy diet.
| A．got through | B．fit in | C．stuck to | D．kept up |
--- How was your trip to New York, Jennifer?
--- Fantastic! That was the first time I _______ to such a big city. It’s so impressive.
| A．have taken | B．had taken | C．have been taken | D．had been taken |
__________ has already been pointed out, grammar is not a set of dead rules.
| A．As | B．It | C．That | D．Which |
---I will not come here tomorrow.
--- It makes no ______ to me, because I don’t care.
| A．arrangement | B．matter | C．accommodation | D．difference |