The climate of Shanghai is better than ____ of Nanjing.
| A．that | B．it | C．which | D．what |
By 16：30，was almost closing time, all the paintings had been sold out．
| A．which | B．when |
| C．what | D．that |
—I’m disappointed the experiment turned out to be complete failure again．
—Don’t lose heart．Try third time．
| A．the；a | B．a；the |
| C．a；a | D．不填；the |
We’re leaving the seaside city for home. Do you have any sea products here?
| A．to buy | B．bought |
| C．to be bought | D．buying |
It was the hotel waiter that helped the guest be relieved of her pain with his special medical skill. Without his help, she so quickly.
| A．can’t recover | B．mustn’t have recovered |
| C．couldn’t have recovered | D．couldn’t recover |
Because something unexpected , the famous singer had to put off her schedule.
| A．came up | B．cleared up |
| C．stayed up | D．ended up |