When this new kind of virus broke out at first in Mexico, no one had the least idea that it would _______ so rapidly throughout the world.
| A．export | B．spread | C．expand | D．deliver |
相关试题
People in industrial countries take in _________as they actually need every day.
| A．twice as much protein | B．protein as much twice |
| C．twice protein as much | D．protein as twice as much |
To meet the challenge, the young people preferred _______ heavier work to do in their spare time.
A．to have  given |
B．to be giving | C．having give | D．to be given |
--- What has happened to Alice ?
--- I don’t know.
She__________her job.
| A．can have lost | B．may have lost | C．should have lost | D．need have lost |
Just putting away the dishes,_________
| A．the telephone rang | B．someone knocked at the door |
| C．Mary heard the phone rang | D．the door was opened |
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