______is estimated that a round-trip to Mars would take more than a year.
A,That B,what C,There D,It
The salespeople said they hadn’t overcharged customers, but the police’s report showed that the practice did ______.
| A．appear | B．arise | C．perform | D．exist |
Although the necklace is made of glass, it really _________ me.
| A．adapts to | B．occurs to | C．appeals to | D．prefer to |
One of the first foreign expeditions _______ Mount Qomolangma arrived in Tibet in 1921.
| A．climbing | B．climbed | C．had climbed | D．to climb |
________ at the city centre, the old temple has a history of more than 500 years.
| A．Locating | B．Locate | C．Located | D．To locate |
If the weather had been better, we could have gone outing. But it ____ all day.
| A．rains | B．has rained | C．had been rained | D．rained |