There ______ nobody else at hand, we had to do all this on our own.
| A．was | B．had | C．being | D．to be |
______ is obvious to the students that they should get well prepared for their future.
| A．It | B．What | C．That | D．This |
The ‘how-to’ book can be of use to wants to do the job.
| A．who | B．wha t |
C．whoever | D．whatever |
. ______ we are sure about is the need to prevent children from being spoiled.
| A．What | B．Which | C．Whether | D．That |
. I was wondering what it is _____ has made her so popular with her workmates.
| A．that | B．which | C．how | D．who |
She ______his number in the phone book to check that she had got it right.
| A．looked up | B．looked after | C．picked out | D．picked up |