Her son _____ the army for two months. She misses him very much.
A. has joined B. has been in
C. joined D. was in
Helen is friendly and she always has a smile _____ her face.
A. on B. with C. at D. for
---Mr. Smith, _______ is the new bridge? --- Oh, let me see! It’s about 800 metres.
A. how old B. how long
C. how much D. how often
I was writing a diary ______ my brother was watching TV yesterday evening.
A. before B. after C. until D. while
---Jenny, shall we watch the movie Fast & Farious 7 this weekend?
---It sounds _______! I can’t wait to see it!
A. strange B. bad C. great D. awful
We _________wait until the traffic light turns green when we cross the road.
A. must B. can C. need D. may