_____ with so much trouble, we failed to complete the task on time.

There are varieties of programs in the TV station to __________ many different types of interests and tastes among the public.

Bob got a job in a firm most famous product is chocolate.

As teenagers, it’s very important to know how to ask for information _______.

一 I’d like to go home now 一 Why not stay here for the night? It is so late now___,it is raining