Iwonder why he has been acting so strange these days —Recentpressure at work may ______ his behavior

_____ Tom _______Mary speaks Chinese well, so they can communicate with these Chinese students very well.

Lucy with Lily _____ good at Maths. We often help them ___their Maths.

sn’t often snow in my hometown inwinter, but it ___be rather cold sometimes.

skirt do you prefer, Lucy— _______ I’m concerned, the purple one isbetter