— The flu is becoming terrible these days.
—So we ____ go to crowded places.
A. must B. should C. shouldn’t
Your father is sleeping. You'd better ___________.
| A．not to wake him up | B．not to wake up him |
| C．not wake up him | D．not wake him up |
Thank you ________ me with my English.
| A．for help | B．for helping | C．to help | D．helps |
There ______ a football match next week.
| A．is going to have | B．is going to be |
| C．is going to build | D．is going to hold |
While I ________to the programs, my mother ________outside.
| A．listened; was washing | B．was listening; washed |
| C．was listening; was washing | D．was listening; is washing |
It ______ the workers about 20 months to build the Huhang highspeed railway.
| A．took | B．spent | C．cost | D．paid |