------She looks very happy. She ______ have passed the exam.
------I guess so. It’s not difficult after all.
| A．should | B．could | C．must | D．might |
These reference books donated by a non-profitable organization are available for ____ wants to have it.
| A．anyone | B．someone | C．who | D．whoever |
---Haven’t seen you for ages! Do you still work in Guangzhou?
---______. It’s two years since I worked there.
| A．Yes, I have | B．Yes, I do | C．No, I haven’t | D．No, I don’t |
There was a tree in front of the house, ___ owner was seen sitting under it, enjoying the shade.
| A．whose | B．where | C．which | D．that |
Studies show that daydreaming contributes significantly to concentration powers and the ability _____ with others.
| A．communicating | B．to be communicated |
| C．to communicate | D．to communicating |
______ send officials abroad for training, I think it is better for the government to directly admit people who have studied and worked overseas.
| A．Other than | B．Rather than | C．Less than | D．More than |