Parents need to be __________ in their children's education in many ways.
| A．connected | B．lost | C．involved | D．concerning |
It just isn’t fair that____I was working as a waiter last month, my friends were lying on the beach.
| A．while | B．whenever | C．though | D．for |
The sunspot came into its active stage, ____ that happens once every eleven years.
| A．one | B．it | C．the one | D．what |
The famous scientist, ____ a dinner party will be held tonight, is to arrive soon.
| A．in his honor | B．in whose honor | C．in which honor | D．in honor of him |
The driver could have survived, but he ____ the seat belt.
| A．had been fastening | B．hadn’t fastened | C．was fastening | D．didn’t fasten |
____ with a difficult situation, Mr Smith made up his mind ____ his boss for advice.
| A．Facing; to ask | B．To face; asking | C．Faced; to ask | D．Having faced; asking |