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pets一級考試單項填空的模擬題
When the little girl stood in the front of the classroom, her face________red.
A.turns
B.tumed
C.turn
參考答案：B
參考解析：B【解析】本題考查主從句時態一致。when引導的時問狀語從句是一般過去時，若主句動詞是短暫性動詞，那么該動詞也要用一般過去時。
Not until I began to work ________ how much time I had wasted.
A. didn t realize
B.did I realize
C.1 didn t realize
參考答案：B
參考解析：B【解析】本題考查句子的部分倒裝結構。當not…until置于句首時，句子要使用部分倒裝，即將謂語的一部分如助動詞或情態動詞放在主語之前。如果句中的謂語沒有助動詞或情態動詞，則需添加助動詞d0，does或did，并將其置于主語之前。本句正常語序為：I didn’t realize how much time I had wasted until I began to work.
I ________go there this morning, so I stayed at home.
A.didn t need to
B.didn t need
C.needn t to
參考答案：A
參考解析：A【解析】本題考查情態動詞的用法。need作情態動詞用時，是need do sth./needn’t do sth.;need作實意動詞用時，是need to do sth./not need to do sth.
It ________ heavily so there was deep snow on the road.
A.snows
B.snowed
C.had snowed
參考答案：C
參考解析：C【解析】本題考查動詞時態。there was是過去式，so表示結果，所以空白處要用過去完成時，表示“過去的過去”。
My little sister is only five, ________ she can swim well.
A.but
B.so
C.because
參考答案：A
參考解析：
The books on the desk are not mine; they re __
A.him
B.theirs
C.their
參考答案：B
參考解析：B【解析】本題考查名詞性物主代詞。本句中名詞性物主代詞theirs (=their books)作表語。
Lily went to see her grandpa yesterday __ he was ill.
A.if
B.though
C.because
參考答案：C
參考解析：C【解析】本題考查連詞的用法。根據上下文町知.這里填表示因果關系的連詞，全旬才符合邏輯。
He drives much ________ than he did ten years ago.
A.carefully
B.more careful
C.more carefully
參考答案：C
參考解析：C【解析】本題考查副詞比較級。這里需要一個副詞來修飾動詞drive，careful是形容詞，carefully是副詞，所以先排除B;than要求用比較級，所以排除A，選C。carefully的比較級是在前面加more。
--Do you speak English?
--yes, only________
A.fittle
B.a few
C.a little
參考答案：C
參考解析：C【解析】本題考查近義詞辨析。little和a little都修飾不可數名詞;little表示否定含義，“幾乎沒有”;a little表示肯定含義，“有一點兒”。few和a few都修飾可數名詞;few表示否定含義，“幾乎沒有”;a few表示肯定含義，“有一點兒”。
The rain was very __ yesterday.
A.large
B.strong
C.heavy
參考答案：C
參考解析：C【解析】本題考查近義詞辨析。形容雨大用heavy，形容風大用strong。
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