Hearing a _____________ noise in the backyard, Pamela went there to have a look.
（A）cracking
（B）crack
（C）cracked
（D）cracker
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更多大学英语选择题200道试题
- 1If the bad weather ___________, the farmers will suffer great loss this year.
- 2But the good things about being a role model （）the ba（D）
- 3The lawyer __________ the jury by his moving defense.
- 4They took a taxi to meet you at the hotel just now, so they will arrive ____________ half an hour later if there is no traffic on the way.
- 5The aircraft vanished without __________.
