---What’s wrong with him? He is so sad.
---He was ____ at not being invited to the party.
| A．nervous | B．worried | C．upset | D．stubborn |
Everybody likes to work with ________ is reliable and easy to get on with.
| A．whom | B．who |
| C．whomever | D．whoever |
It remains unknown ________ the peace talk between the two countries is going to lead.
| A．where | B．when |
| C．how | D．why |
—What's your uncle's opinion about your decision?
—He always encourages me to do ________ I think I should.
| A．what | B．when |
| C．how | D．that |
It is ________ the pupils do in their spare time ________ really prepares them to take their place in society as citizens when they grow up.
| A．which; that | B．that; what |
| C．what; that | D．that; which |
His shop was so well managed that he sold in just 5 months ________ his competitor sold in a year.
| A．how | B．what |
| C．whether | D．why |