.So often ______ in recent years that it has almost become a rule.
| A．has this happened | B．this has happened |
| C．is this happening | D．for this to happen |
Sarah, hurry up. I’m afraid you wouldn’t have time to ________ before the party.
| A．get changed | B．get change | C．get changing | D．get to change |
. Reading is an experience quite different from watching TV; there are pictures
in your mind instead of _______ before your eyes.
| A．to form | B．form | C．forming | D．having formed |
–I’d like to take a week’s holiday.
--_______, we’re too busy.
| A．Don’t worry | B．Don’t mention it | C．Forget it | D．Pardon me |
. A cook will be immediately fired if he is found _________ in the kitchen.
| A．smoke | B．smoking | C．to smoke | D．smoked |
She worried ________ her child would be hurt.
| A．on condition that | B．so that | C．for fear that | D．so long as |