.He is opposed to the project for the reason_______ it is not practical for the time being.
I’m sorry I didn’t phone you, but I’ve been very busy_____ the past couple of weeks.
The science of computer,____ rapid progress has been made, is the most important of all.
Before use, your new mobile must fully____.
—Remember not to pretend to know what you don’t know.— _____. My last lesson is still fresh.
With the help of the new teacher, ____number of the students in my class who have made____ great progress in English up to now is far larger.