[ Grammar ]
We saw (a, an) astronaut in Houston.
A. a
B. an

Random Topics:
Tenses of Verbs - UsageIn/On/At + TimeComparisonsImperative SentencesSo or SuchAdjectives and PrepositionsVerb to haveDefinite ArticlesConditional TypesGrammar (want to/ need to/ have to)Other quiz:
Vocabulary › Viewconfusion
A. bewilderment
B. delinquent
C. manslaughter
D. exploit
Grammar › View
Mega can’t come to the conference right now because she………. her little baby.
A. taking care of
B. is taking care of
C. is takes care of
D. be taking care of
Vocabulary › Viewappearing worn or exhausted; gaunt; fatigued; worn-down
A. resistance
B. beliigerent
C. limber
D. haggard
Grammar › View
Let’s go by train. It’s ______ comfortable than the coach.
A. more
B. least
C. lesser
D. most
