—Someone wants you on the phone.
—________ nobody knows I am here.
| A．Although | B．And |
| C．But | D．So |
Brian was about to_______________ when he suddenly found an answer to the question.
| A．make up | B．look up | C．turn up | D．give up |
It would seem to be a general truth__________ nothing is as straightforward as it at first seems.
| A．that | B．when | C．what | D．if |
At this time next week ______________ the English Channel.
| A．I’ll cross | B．I’ll be crossing |
| C．I’m to cross | D．I’m going to cross |
Had they known what was coming next, they second thoughts.
| A．may have | B．could have |
| C．must have had | D．might have had |
--- “Fail to do your homework again?”
---“Sorry, I ____ something else and didn’t hear your assignment.”
| A．thought | B．had thought |
| C．was thinking | D．have been thinking |