18.Several are talking under the tree.And their are swimming in the lake.( )
| A. | woman; children | B. | woman; child | C. | women; children | D. | women; child |
17.Do you know how many a horse has and how many a bee (蜜蜂) has?( )
| A. | teeth; feet | B. | tooth; foot | C. | tooth; feet | D. | teeth; foot |
15.---Last year,Mary,a college student, to work for the UN.
---How lucky she was!( )
0 121333 121341 121347 121351 121357 121359 121363 121369 121371 121377 121383 121387 121389 121393 121399 121401 121407 121411 121413 121417 121419 121423 121425 121427 121428 121429 121431 121432 121433 121435 121437 121441 121443 121447 121449 121453 121459 121461 121467 121471 121473 121477 121483 121489 121491 121497 121501 121503 121509 121513 121519 121527 159627
---How lucky she was!( )
| A. | is choosing | B. | is chosen | C. | was choosing | D. | was chosen |