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The thought ______ he would open a Sichuan restaurant in Los Angeles surprised his wife.
| A．that | B．what | C．whether | D．when |
The internet has made ____ possible for everyone to talk with friends miles away.
| A．that | B．this | C．one | D．it |
The _________ at the military academy is so rigid that students can hardly bear it.
| A．convention | B．confinement | C．principle | D．discipline |
I remembered _____ the door before I left the office, but forgot to turn off the lights.
| A．locking | B．to lock | C．having locked | D．to have locked |
Teachers required that all the students ___ their homework all alone.
| A．must finish | B． would finish | C．had to finish | D．finish |
His favorite food is fried snack and soft drinks. ______ is no surprise that losing weight is just his dream.
| A．There | B．It | C．As | D．What |