The back garden of our house contains a lawn, ______very pleasant to sit on in summer.

A. is B. are C. were D. be

A. to escape B. to have escaped

C. to escaping D. to be escaping

A. ought to write B. ought to have written

C. should write D. should be writing

A. he was knowing B. he is knowing

C. having a knowledge of D. knows

A. embedded

B. embodied

C. enchanted

D. enclosed

A. understanding

B. comprehensible

C. comprehensive

D. understandable

A. originally

B. extremely

C. violently

D. intensively

A. at ease

B. at random

C. at intervals

D. at large

A. transporting

B. transplanting

C. transferring

D. transcending

A. flare

B. gleam

C. flash

D. glisten