Only when finished his own work, ask him to help you.
| A．has he, can you | B．he has, can you | C．has he, you can | D．he has, you can |
In view of the worsening environment, the local government is seeking advice from Professor Smith, who is an expert ______ it.
| A．within | B．for | C．on | D．beyond |
Returning from abroad, Miss Yu received from her lovely students a nice present to which a note was ______, saying “We love you!”
| A．tricked | B．attached | C．explored | D．inspected |
-- How do you like the movie?
-- ______, it’s not exciting enough, though lots of money has been spent on it.
| A．To be general | B．To speak highly of it | C．To be honest | D．To be worth it |
______ we ______ to these immediate crises abroad, we also will not let up in our effort to deal with the pressing, ongoing challenges facing our country.
| A．With; will respond | B．As; respond | C．As; answer | D．with; will answer |
Wind power is an ancient source of energy ______ we may return in the near future.
| A．from which | B．to which | C．on which | D．by which |