There was ______ time _________ I hated to go to school.
| A．a, which | B．a, when |
| C．the, which | D．the, when |
My sister met him at the Grand Theater yesterday afternoon, so he ＿＿＿＿ your lecture．
| A．couldn't have attended | B．needn't have attended |
| C．mustn't have attended | D．shouldn't have attended |
Sorry I'm late． I ＿＿＿＿＿ have turned off the alarm clock and gone back to sleep again.
| A．might | B．should | C．can | D．will |
I think he’s just going to deal with this problem ____day.
| A．next | B．other | C．following | D．another |
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 |