----Did Alan enjoy seeing his old friends yesterday?----Yes, he did. He his old friends for a long time.
The shop assistant was dismissed as she was_______of cheating customers’.
No sooner______ themselves in their seats in the hall than the speaker began his speech.
Achieving a high degree of proficiency(精通)in English as a foreign language is not a mysterious _______ without scientific basis.
Generally speaking, if ______ strictly following the instructions, the electric bike is not as dangerous as reported.
On the National Day, up _____ into the air. Then the crowed cheered.