Sandy， do you know______？
Yes， Some news about black holes．（ ）
| A． |
what Tom is searching for |
| B． |
what is Tom searching for |
| C． |
who Tom is searching for |
Although these were good students， ________of them had a score above 60．
I can't believe it!（ ）
A．noneB．no oneC．someD．all
How's Mr．Clark's small company？
Quite good． It has grown to become a_________in the international trade．（ ）
A．ruleB．dutyC．powerD．sign
Do you need any help？
No， thanks． We__________a lot of support since last year．（ ）
A．have offeredB．have been offered
C．were offeredD．were offering
I don't care what people think．
Well， you_______．Some opinions are worth weighing．（ ）
A．mightB．shouldC．couldD．would
What makes you_______we're going to sell the house？
I hear that you've got a job abroad．（ ）
A．doubtB．wonderC．promiseD．suppose