He is very friendly to us.他对我们很友好。

It is likely to rain today.今天有可能下雨。

(3)有些副词能充当连词引导句子。如：immediately，directly，instantly，constantly等。

I gave him the money immediately I saw him.

我一见到他就把钱给他了。

Ⅰ.单句语法填空

1．It must have been fairly(fair) unpleasant for the passengers，with all the smoke and noise.(2017·全国Ⅱ)

2．It is certainly(certain) fun but the lifestyle is a little unreal.(2017·全国Ⅲ)

3．A sudden stop can be a very frightening experience，especially(especial) if you are travelling at high speed.(2016·浙江)

4．The title will be officially(official) given to me at a ceremony in London.(2016·全国Ⅰ)

5．Recent studies show that we are far more productive at work if we take short breaks regularly(regular)．(2016·全国Ⅱ)

6．Food in small pieces could be eaten easily with twigs(树枝) which gradually(gradual) turned into chopsticks.(2016·全国Ⅲ)

7．Chinese scientists recently(recent) had a chance to study a wild female panda with a newborn baby.(2016·四川)

8．Walls made of adobe take in the heat from the sun on hot days and give out that heat slowly(slow) during cool nights，thus warming the house.(2015·全国Ⅱ)

9．As natural architects，the Pueblo Indians figured out exactly how thick the adobe walls needed to be to make the cycle work on most days.(2015·全国Ⅱ)