Use your head! Nothing taught by others can have the same effect on you as ________learned by yourself．
| A．those | B．what | C．that | D．the one |
Only after he took off his sunglasses ______ him as one of my favourite movie stars.
| A．I recognized | B．I didn’t recognise |
| C．did I recognize | D．had I recognized |
Our eating habits have changed, ______ has our way of life.
| A．like | B．as | C．but | D．nor |
We mustn’t waste anything; ______, we mustn’t waste our time.
| A．after all | B．in all | C．above all | D．at all |
A lesson from the terrible drought(干旱) that hit some parts of southwestern China this year is that more anti-drought projects ______ built in the past years.
| A．should be | B．should not have been |
| C．ought to have been | D．must be |
—Where did you get this book?
—Oh, I ______ it in the bookshop when I was looking for another one.
| A．came across | B．found out | C．looked for | D．came up |