We are now living in _______ world where computers rule our work and daily life．So online searches have already become _______ must．
| A．a；the | B．a：a | C．the；a | D．the；／ |
John did quite well in his exams ,how little he studied .
| A．consider | B．considering | C．considered | D．to consider |
Although there is no life on Mars now , some scientists think that there some form of life a long time ago .
| A．must be | B．may have been | C．can have been | D．could be |
They were playing in the garden they heard a scream .
| A．while | B．as | C．until | D．when |
Many people in this country eat as they actually need every day.
| A．twice as much meat | B．twice meat as much |
| C．as twice much meat | D．meat as much twice |
He must have had an accident , or he here for class then .
| A．had to be | B．should be | C．would be | D．would have been |