1 . — Listen! someone is crying upstairs.
— Oh, _______ must be my baby sister Meimei. She must be hungry.

A．she

B．it

C．this

D．he

2 . I don’t know if he has completed his project. I am only told that he ________ (work) on it last night.

3 . When sunlight passes ________ small water drops in the sky, rainbows appear.

A．along

B．across

C．beyond

D．through

4 . —Where’s Nancy?
—Your guess is _______ mine. She didn’t say anything to me.

A．as well as

B．as long as

C．as good as

D．as soon as

5 . 这种手工制作的蛋糕已在各种聚会中广泛使用。
This kind of food ________________________ in different kinds of parties.

6 . 玛丽有许多优于别人的地方，所以我们将选择她担任我们的班长。
Mary ________________, so we will choose her to be our monitor.

7 . 这位工程师最终决定缩短旅程。
The engineer ________________ finally.

8 . 恐怕这项任务会占用太多时间。
I’m afraid the task ________________ too much time.

9 . —How is your task getting along?
—Andy ________ (agree) to help us, but he has changed his mind.

10 . His heart is full of excitement and _________ (proud) when seeing his son’s success.