—I'll ask the teacher about the attributive clause. I'm very puzzled about it.
—That's just ________ most of our classmates have doubt.
| A．what | B．why | C．where | D．how |
The patient looks much better .
-------_____is it that has made him ____he is today ?
| A．what ; that | B．That ; that | C．What;which | D．What;what |
--How much do you know about the 3D film technology?
--A little. Not until ____the hot movie Avatar ____some about it.
| A．did I see ,did I begin to learn | B．I saw, I began to learn |
| C．I saw, did I begin to learn | D．did I see, I began to learn |
The water___cool when I jumped into the pool for morning exercise。
| A．was felt | B．felt | C．is felt | D．feels |
His wife is constantly finding ____with him,which makes him very angry.
| A．errors | B．shortcomings | C．fault | D．flaw |
Althougheverythingseemstohavebeentakenintoconsideration, ____accidentcan happen whentheastronautswalkin_____space．
| A．不填；the | B．an；不填 | C．the；the | D．an；the |