Only after a baby seal is pushed into the sea by its mother ___ to swim.
| A．how will it learn | B．it will learn how |
| C．will it learn how | D．and it will learn how |
With housing prices ______ sharply, many people have no idea whether they should buy an apartment or not．
| A．risen | B．arising | C．raising | D．rising |
Maggie has been fortunate to find a job she loves, and ______ she gets well paid for it．
| A．sooner or later | B．what’s more |
| C．as a result | D．more or less |
------ _______ the letter _______ to Mr Black?
----- No．It’s still on the desk．
| A．Has; given | B．Will; be given | C．Was; given | D．Has; been given |
------Why can she keep such a good figure?
------ She _________ great importance to regular exercise．
| A．awards | B．attracts | C．attaches | D．applies |
Safety in school has be
en of great concern because of frequent reports about accidents _______ students got injured or killed while in school．
| A．in which | B．when |
| C．that | D．for which |