4.If we want to save our home,more attention should be paid ________ our earth from ________.( )
A. | to prevent; being polluted | B. | to preventing; being polluted | ||
C. | to prevent; polluting | D. | to prevent; polluted |
3.The medicine should usually be kept out of the ________ of children at home.( )
A. | distance | B. | reach | C. | limit | D. | arrival |
2.How happy we are!The holiday we have been looking forward ______ at last.( )
0 143315 143323 143329 143333 143339 143341 143345 143351 143353 143359 143365 143369 143371 143375 143381 143383 143389 143393 143395 143399 143401 143405 143407 143409 143410 143411 143413 143414 143415 143417 143419 143423 143425 143429 143431 143435 143441 143443 143449 143453 143455 143459 143465 143471 143473 143479 143483 143485 143491 143495 143501 143509 151629
A. | to has come | B. | to have come | C. | to having come | D. | has come |