[ Grammar ]
It …………. (be) cloudy for days before it …………. (begin) to rain.
A. has been / began
B. was / has begun
C. have been/ began
D. was / began

Random Topics:
Present Perfect or Past Simple1st and 2nd ConditionalsSimilesSynonymsDemonstrative SpeechIf ClausesWh QuestionsNarrative, Past TensesSimple Past vs Past Continuous TenseVOCAB & GRAMMAROther quiz:
Grammar › ViewNhan is very short. He can’t play basketball.
A. Nhan is too short to play basketball.
B. Nhan is too short that he can’t play basketball.
C. Nhan is enough short to play basketball.
Tenses › View
Last night, we ______ (have) dinner at a fancy restaurant.
A. have
B. are having
C. had
D. will have
Grammar › ViewAs an old friend, may I give you an advice?
A. correct
B. incorrect
Grammar › View
This faucet is dripping again. I guess I _____ the plumber to look at it.
A. to get
B. will get
C. getting
D. get