21. – Have you heard _____ news that the American Army has caught _____ alien?
-- Yes, I have. It is said that the alien was left behind by his fellows.
A. the; the B. 不填; an C. a; the D. the; an
22. All Children should be grateful to their parents, who ____ them _____ food and clothes.
A. give; to B. supply; to C. provide; with D. offer; with
23. I passed the English test ________my teacher’s help.
A. because B. since C. for D. due to
24. The ________ look on his face suggested that he ________ that.
A. puzzling; hadn’t expected B. puzzled; hadn’t expected
C. puzzling; doesn’t expect D. puzzled; doesn’t expect
