She was so ________ in her job that she didn’t hear anybody knocking at thedoor.

A) called in

B) calling in

C) call in

D) to call in

A) needn’t have seen

B) must have seen

C) might have seen

D) can’t have seen

A) gives

B) grants

C) entitles

D) credits

A) developed

B) have developed

C) are being developed

D) will have been developed

A) to close

B) closing

C) to have closed

D) having closed

A) will have risen

B) has risen

C) will be rising

D) has been rising

A) breaking

B) filling

C) pouring

D) hurrying

A) like

B) so

C) which

D) as

A) when

B) since

C) before

D) after

A) fruitful

B) beneficial

C) valid

D) effective