—How about your negotiations?
—Pretty successful. Full exchanges of opinions allowed both sides of us to better understand ______ each stood on many issues.
| A．where | B．that | C．what | D．which |
Put the ___ of your tongue against your upper teeth when you produce the sound.
| A．tip | B．top | C．peak | D．pole |
China has promised to revise its existing regulations and ___ new policies according to WTO requirements.
| A．forming | B．to form | C．to be forming | D．have formed |
In the dream Peter saw himself ___ by a fierce wolf, and he woke suddenly with a start.
| A．chased | B．to be chased | C．be chased | D．having been chased |
___ the employees' working efficiency, the supervisor will allow them to have a coffee break.
| A．Improving | B．To improve | C．Having improved | D．Improved |
You can find whatever you need at the shopping centre, ___ is always busy at the weekend.
| A．that | B．where | C．what | D．which |