1 . 目前，许多人学汉语，那是因为中国在世界上正扮演着日益重要的角色。
At present, there are a number of people learning Chinese and ________________.

2 . 这是因为我犹豫要不要做我们学校的形象大使(image ambassador)。(this is because) (汉译英)
________________________________________________________________．

3 . I was upset that a man with a stick beat my beloved dog Poppy without mercy.
→_________ a man with a stick beat my beloved dog Poppy without mercy.(what引导的主语从句)

4 . 我不能和你外出是因为我必须照顾我生病的爷爷。
________________ I have to care for my sick grandfather.

5 . The bear tore a hole in the fence and put his head in. Elli and I were shocked.
→The bear tore a hole in the fence and put his head in, _______________. (定语从句)
→_______________ the bear tore a hole in the fence and put his head in.(主语从句)

6 . 我想邀请你参加下周一我们与光明中学排球队进行的友谊赛，这是我给你写信的原因。
________________ with the volleyball team of Guangming Middle School next Monday, and ________________.

7 . 我没对这次写作比赛做充分的准备，这是我不想参加比赛的原因。(一句多译)
a．________________ I haven’t made full preparations for this writing contest.
b．I haven’t made full preparations for this writing contest, ________________.
c．I am unwilling to take part, ________________ this writing contest.

8 . 最让我烦恼的是我的室友经常聊天到深夜，这让我难以入眠。
________ my roommates often chat late into night, which makes me sleepless.

9 . Getting up early also relieves stress and tension because it gives you the time to squeeze in a workout before you get distracted (分神). This is ________ morning people tend to be healthier and happier. (用适当的词填空)

10 . The main feature of the weather of the Grain Rain is ________ it is rainy, and the rainfall increases after the Grain Rain solar term. (用适当的词填空)