John Wood，an Internet blogger，discovered that Samsung ________ for not protecting its workers from a dangerous chemical used on its phones.
| A．had criticized | B．had been criticized |
| C．was criticized | D．was criticizing |
.－How about paying a visit to Mr. Richardson, our former history teacher?
－Good idea. I will e-mail him today so he ______ know ______ to expect us.
| A．shall; why | B．may; when | C．would; why | D．will; how |
.－We need a person badly to think up such an idea.
－______ the new comer have a try?
| A．Shall | B．May | C．Should | D．Need |
To be on the safe side, we should fill up the tank now, because we ______ run out of gas on the way.
| A．can | B．would | C．might | D．should |
－There were already five people in the car, but they managed to take me as well.
－It ______ a comfortable journey.
A. can’t B. shouldn’t be C. must have been D couldn’t have been
Sorry I’m late. I ______ have turned off the alarm clock and gone back to sleep again.
| A．might | B．should | C．can | D．will |