________ the Internet is of great help, I don’t think it’s a good idea to spend too much time on it.
| A．While | B．As | C．Because | D．If |
The teacher, with 6 girls and 8 boys of her class,___________visiting a museum when the earthquake struck.
| A． was | B． were | C． had been | D． would be |
—I would never ever come to this restaurant again. The food is terrible!
—________________.
| A． Nor am I | B． Neither would I |
| C． Same with me | D． So do I |
—David has made great progress recently.
—_______, and __________.
| A．So he has; so you have | B．So he has; so have you |
| C．So has he; so have you | D．So has he; so you have |
The number of people invited _________ fifty, but a number of them __________ absent for different reasons.
| A．were; was | B．was; was | C．was; were | D．were; were |
Someone called me up in the middle of the night, but they hung up_________I could answer the phone.
| A．as | B．since | C．before | D．until |