It is thought that one billion people I the world, _ is half the word’s workers, earn their living by farming.
| A．if | B．that | C．which | D．what |
My grandpa sowed the flower seeds in the garden ______it was the best time for them to grow．
| A．where | B．when | C．that | D．until |
The excellent service of the waiters ______highly praised．That’s why the restaurant is always full of people．
| A．were | B．are | C．was | D．is |
— Robin told me that he would leave tonight．
— What a pity! My brother wishes that he ______with him for a chat．
| A．can stay | B．will stay | C．had stayed | D．would stay |
— So how long have you been here?
— Just a couple of days actually．I’m on a big journey, you know．I ______all the places of interest here．
| A．am visiting | B．visited | C．have visited | D．will visit |
Doris has won the first prize in the speech competition; and she is so excited that she feels ______desire to go to bed．
| A．the most | B．more | C．worse | D．the least |