These flowers should not be watered too ______, once _____.
| A．long; every other day | B．often; every fourth day |
| C．soon; every two days | D．frequently; each five days |
We must take measures to protect the environment from ______．
| A．polluting | B．being polluted | C．polluted | D．pollute |
—Will you come with me to see a film?
—Well,________, but I will try my best．
| A．as usually | B．no way | C．not a bit | D．it depends |
With the development of high technology, more and more new things ________ to the field of IT．
| A．have introduced | B．are being introduced |
| C．were introduced | D．had been introduced |
The dog was killed by the boss of this restaurant without _______．
| A．mercy | B．move | C．shame | D．strength |
The English play ______ my classmates acted at the get-together was really a great success．
| A．for which | B．at which | C．in which | D．on which |