Only then ________how much damage had been caused.
| A．she realized | B．she had realized |
| C．had she realized | D．did she realize |
The teacher said there were twelve _____ who had failed in the exam.
A at all B in all C all in D all in all
.The teacher recommended that every student England party.
A. took active part in B. takes active part in C
. take active part in D. would take active part in
.HeisgoodatEnglish,______weallknow.
| A．that | B．as | C．whom | D．what |
.I don’t think _____ possible to master a foreign language without much memory work.
| A．this | B．that | C．its | D．it |
Not only should you get used _________ under difficult conditions but also you should pay more attention _________ your work well.
| A．to work; to do | B．to working; to doing |
| C．to work; to doing | D．to working; to do |