I______ thank you too much for all your help to my son while we were away from home.
| A．won’t | B．can’t | C．can | D．will |
To save class time, our teacher has ______ students do half of the exercises in class and complete the other half for our homework
| A．us | B．we | C．our | D．ours |
—Do remember to take this medicine three times a day with warm boiled water.
--- ________
| A．Heard it | B．Made it | C．Got it | D．Taken it |
There is no perfect person, some people have made _____success of themselves in spite of what would appear to be ______ weakness in their professions.
| A．/, a | B．a, / | C．a, a | D．/, / |
I think you should complain, _____, of course, you are happy with the way things are.
| A．until | B．although | C．when | D．unless |
Rescuers had to _____ the search because of worsening weather conditions.
| A．call off | B．take off | C．come off | D．cut off |