Clinical evidence began to ______ suggesting that the new drugs had a wider range of useful effect than had been predicted from experiments in animals.
| A．operate. | B．strengthen | C．accumulate | D．approve |
A red sky in the morning _____ to be a sign of bad weather.
| A．says | B．is saying |
| C．has said | D．is said |
The president _____ a cool reception when he visited London.
| A．gave | B．was given |
| C．had given | D．had been given |
He was angry _____ your work. He said that he _____ at all.
| A．at, didn’t satisfy | B．to, didn’t satisfy |
| C．at, wasn’t satisfied | D．to, wasn’t satisfied |
The story of his life _____ interesting.
| A．is sounded | B．is sounding |
| C．has sounded | D．sounds |
The dish _____ nice, but the milk _____ sour.
| A．is smelt, is smelt | B．is smelt, smells |
| C．smells, is smelt | D．smells, smells |