It seldom________here but it________heavily these days.
| A．snows；snows | B．snows；is snowing |
| C．is snowing；is snowing | D．is snowing；snows |
Not until I began to work ________ how much time I had wasted.
| A．didn’t realize | B．did I realize | C．I didn’t realize | D．I realized |
_______ can you expect to get a pay rise.
| A．With hard work | B．Although work hard | C．Only with hard work | D．Now that he works hard |
A driver should ________ the road when _________.
| A．concentrate on; drive | B．concentrate in; driving |
| C．concentrate to; drove | D．concentrate on; driving |
What he said was of ________.
| A．great importance | B．important | C．great important | D．importantly |
_________, the subject belongs to biology.
| A．Strictly spoken | B．Spoken strictly | C．Strictly speaking | D．Speaking strictly |