________，he never seems able to do the work beautifully.
| A．Try as he does | B．as he tries | C．Try as does he | D．As he does try |
It suddenly _________ to the detective that the millionaire was probably murdered by his own daughter.
| A．happened | B．occurred | C．thought | D．took place |
It’s helpful to put children in a situation ________ they can see themselves differently.
| A．that | B．when | C．which | D．where |
You will find this map of great ________ in helping you to get around Beijing.
| A．valuable | B．value | C．helped | D．cost |
---Where is George? He said he would meet me here at 3 o’clock.
---He seems ________ with Mr. Brown in the office.
| A．to talk | B．to have talked | C．to be talking | D．to be talked |
People here see this kind of bird as a _______ of hope, so they never shoot them.
| A．sign | B．symbol | C．sight | D．signal |