While standing on a moving bus, you’re supposed to hold onto the bar in order not to _____.
| A．in balance | B．keep balance | C．lose balance | D．hold the balance |
We don’t write to each other regularly，but we do keep in
touch by telephoning _____.
| A．at a time | B．once | C．at once | D．once in a while |
Allow children the space to voice their opinions, ___they are different from your own.
| A．until | B．even if | C．unless | D．as though |
The more I think about him, the more reasons I find for loving him___i diD.
A.as much as B. as long as C. as soon as D. as far as
Don’t be ____by products promising to make you lose weight quickly.
| A．taken off | B．taken out | C．taken away | D．taken in |