The student’s mind is always _____ when he listens to his teacher.
| A．wondering | B．wandering | C．wondered | D．wandered |
Only by_______each other can we achieve our goals .
| A．teaming up with | B．catching up with | C．putting up with | D．keeping up with |
Senior citizens in that country enjoy certain_______, such as free medical care and free entry to public parks ?
| A．privileges | B．reputations | C．invitations | D．possessions |
_____is widely known that you value more what you haven’t rather than what you have .
| A．As | B．What | C．It | D．Which |
I think you’ve got to the point where a change is needed , _____, you’ll fail .
| A．however | B．therefore | C．otherwise | D．besides |
On his way home yesterday , Tom was hit on the head_____he had time to realize what was happening .
| A．since | B．before | C．when | D．until |